Siege of Port Hudson
Encyclopedia
The Siege of Port Hudson occurred from May 22 to July 9, 1863, when Union Army
Union Army
The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 troops assaulted and then surrounded the Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

 town of Port Hudson, Louisiana
Port Hudson, Louisiana
Port Hudson is a small unincorporated community in East Baton Rouge Parish, Louisiana, United States. Located about northwest of Baton Rouge, it is most famous for an American Civil War battle known as the Siege of Port Hudson.-Geography:...

, during the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

In cooperation with Maj. Gen. Ulysses S. Grant
Ulysses S. Grant
Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

's offensive against Vicksburg, Mississippi
Vicksburg Campaign
The Vicksburg Campaign was a series of maneuvers and battles in the Western Theater of the American Civil War directed against Vicksburg, Mississippi, a fortress city that dominated the last Confederate-controlled section of the Mississippi River. The Union Army of the Tennessee under Maj. Gen....

, Union
Union Army
The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 Maj. Gen. Nathaniel P. Banks's army moved against the Confederate
Confederate States of America
The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

 stronghold at Port Hudson on the Mississippi River. On May 27, 1863, after their frontal assaults were repulsed, the Federals settled into a siege that lasted for 48 days. Banks renewed his assaults on June 14 but the defenders successfully repelled them. On July 9, 1863, after hearing of the fall of Vicksburg, the Confederate garrison of Port Hudson surrendered, opening the Mississippi River to Union navigation from its source to the Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

.

Strategy and politics on the Mississippi

From the time the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 started in April 1861, both the North
Union (American Civil War)
During the American Civil War, the Union was a name used to refer to the federal government of the United States, which was supported by the twenty free states and five border slave states. It was opposed by 11 southern slave states that had declared a secession to join together to form the...

 and South
Confederate States of America
The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

 made controlling the Mississippi River a major part of their strategy. The Confederacy wanted to keep using the river to transport needed supplies; the Union wanted to stop this supply route and drive a wedge that would divide Confederate states and territories. Particularly important to the South was the stretch of the Mississippi that included the mouth of the Red River
Red River (Mississippi watershed)
The Red River, or sometimes the Red River of the South, is a major tributary of the Mississippi and Atchafalaya Rivers in the southern United States of America. The river gains its name from the red-bed country of its watershed. It is one of several rivers with that name...

. The Red was the Confederacy's primary route for moving vital supplies between east and west: salt, cattle, and horses traveled downstream from the Trans-Mississippi
Trans-Mississippi
The Trans-Mississippi was the geographic area west of the Mississippi River during the 19th century, containing the states of Arkansas, Louisiana, Missouri and Texas, and the Indian Territory . The term was especially used by the Confederate States of America as the designation for the theater of...

 West; in the opposite direction flowed men and munitions from the east.

In the spring and early summer of 1862, the Union advanced their control of the Mississippi from both the north and the south. From the mouth of the river, a fleet commanded by Flag Officer
Flag Officer
A flag officer is a commissioned officer in a nation's armed forces senior enough to be entitled to fly a flag to mark where the officer exercises command. The term usually refers to the senior officers in an English-speaking nation's navy, specifically those who hold any of the admiral ranks; in...

 David G. Farragut fought its way through Confederate fortifications in the Battle of Forts Jackson and St. Philip
Battle of Forts Jackson and St. Philip
The Battle of Forts Jackson and St. Philip was the decisive battle for possession of New Orleans in the American Civil War. The two Confederate forts on the Mississippi River south of the city were attacked by a Union Navy fleet...

, resulting in the Capture of New Orleans. A second Union fleet commanded by Charles H. Davis
Charles Henry Davis
Charles Henry Davis was a Rear Admiral in the United States Navy, serving primarily during the American Civil War, and with the United States Coast Survey.-Early life and career:...

 occupied Memphis
Memphis, Tennessee
Memphis is a city in the southwestern corner of the U.S. state of Tennessee, and the county seat of Shelby County. The city is located on the 4th Chickasaw Bluff, south of the confluence of the Wolf and Mississippi rivers....

, Tennessee
Tennessee
Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

 after defeating Confederate riverine forces in Battle of Memphis
Battle of Memphis
The First Battle of Memphis was a naval battle fought on the Mississippi River immediately above the city of Memphis on June 6, 1862, during the American Civil War. The engagement was witnessed by many of the citizens of Memphis. It resulted in a crushing defeat for the Rebels, and marked the...

. To make sure it could continue to use the middle section of the river, the South fortified positions at both Vicksburg, and Port Hudson.

The initial idea of fortifying the heights of Port Hudson came from the south's master of fixed defenses, General Pierre G.T. Beauregard, Commander, Army of the Mississippi. Writing to Major General Mansfield Lovell
Mansfield Lovell
Mansfield Lovell was a major general in the Confederate States Army during the American Civil War. He was roundly criticized in Southern newspapers for allowing Union forces to capture the city of New Orleans....

, Commander of the lower Mississippi in March 1862, Beauregard recommended, “…the fortification of Port Hudson as a measure of precaution against the fall of our defenses north of Memphis.” In June 1862, Major General Earl Van Dorn
Earl Van Dorn
Earl Van Dorn was a career United States Army officer, fighting with distinction during the Mexican-American War and against several tribes of Native Americans...

 wrote Jefferson Davis
Jefferson Davis
Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

: “I want Baton Rouge and Port Hudson” A few days after the fall of Baton Rouge
Baton Rouge, Louisiana
Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

 to the Union, Confederate General John C. Breckinridge
John C. Breckinridge
John Cabell Breckinridge was an American lawyer and politician. He served as a U.S. Representative and U.S. Senator from Kentucky and was the 14th Vice President of the United States , to date the youngest vice president in U.S...

 with 4,000 men, carried out the wishes of General Van Dorn by occupying Port Hudson, situated between Baton Rouge and Bayou Sara, with troops under the command of General Daniel Ruggles
Daniel Ruggles
Daniel Ruggles was a brigadier general in the Confederate States Army during the American Civil War. He commanded a division at the Battle of Shiloh.-Biography:Ruggles was born in Barre, Massachusetts, in 1810...

. Soldiers of the 4th Louisiana Infantry arrived at the site on August 15, 1862.

According to the historian
Historian
A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is...

 John D. Winters
John D. Winters
John David Winters was a historian at Louisiana Tech University in Ruston, Louisiana, best known for his definitive and award-winning study, The Civil War in Louisiana, still in print, published in 1963 and released in paperback in 1991.-Background:Winters was born to John David Winters, Sr...

 in his The Civil War in Louisiana (1963), "Port Hudson, unlike Baton Rouge
Baton Rouge, Louisiana
Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

, was one of the strongest points on the river, and batteries placed upon the bluffs could command the entire river front." [Similar to Quebec City
Quebec City
Quebec , also Québec, Quebec City or Québec City is the capital of the Canadian province of Quebec and is located within the Capitale-Nationale region. It is the second most populous city in Quebec after Montreal, which is about to the southwest...

 in the French and Indian War
French and Indian War
The French and Indian War is the common American name for the war between Great Britain and France in North America from 1754 to 1763. In 1756, the war erupted into the world-wide conflict known as the Seven Years' War and thus came to be regarded as the North American theater of that war...

].

In May 1863, Union land and naval forces began a campaign they hoped would give them control of the full length of the Mississippi River. One army under Maj. Gen. Ulysses S. Grant
Ulysses S. Grant
Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

 commenced operations against the Confederacy's fortified position at Vicksburg at the northern end of the stretch of the river still in Southern hands. At about the same time, another army under Maj. Gen. Nathaniel P. Banks moved against Port Hudson, which stood at the southern end.

The political momentum behind the Union actions against Port Hudson came from the elections of November, 1862. The Republican base, centered in Ohio, Indiana, and Illinois had been shaken by embarrassing Democratic victories. A dramatic letter from Indiana Governor Oliver P. Morton to Lincoln
Abraham Lincoln
Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

 claimed “The fate of the North-West is trembling in the balance.” His implication being that unless the independent trade of Union states along the Ohio River were restored by Union control of the entire Mississippi, further breakup of the Union was possible. Morton believed the states of Ohio, Indiana, and Illinois were in danger of breaking away from the economic domination of the Northeast to join the Confederacy.

The threatening political fractures galvanized the Lincoln administration into action. Major General Nathanial Banks was diverted from a possible expedition to Texas and given Benjamin Butler
Benjamin Franklin Butler (politician)
Benjamin Franklin Butler was an American lawyer and politician who represented Massachusetts in the United States House of Representatives and later served as the 33rd Governor of Massachusetts....

’s command of the Department of the Gulf. The Union commander of all armies, Henry Wager Halleck
Henry Wager Halleck
Henry Wager Halleck was a United States Army officer, scholar, and lawyer. A noted expert in military studies, he was known by a nickname that became derogatory, "Old Brains." He was an important participant in the admission of California as a state and became a successful lawyer and land developer...

 stated to Banks that President Lincoln “regards the opening of the Mississippi River as the first and most important of all our military and naval operations, and it is hoped that you will not lose a moment in accomplishing it.” On December 4, 1862, Banks and his expedition put to sea for New Orleans.

Foundation of a fortress

Port Hudson began as a village sited on an 80 foot (24.4 m.) bluff on the east bank above a hairpin turn in the Mississippi river 25 Miles (40 km.) upriver from Baton Rouge. The hills and ridges in the area of the town represented extremely rough terrain, a maze of deep, thickly forested ravines, swamps, and cane brakes giving the effect of a natural fortress. The town had appeared and grown as a point for shipping cotton and sugar downriver from the surrounding area. Despite the growing shipping business the town itself remained small, consisting of a few buildings and 200 people by the start of the war. The river had shifted south and the docks had been moved a half a mile south. The state legislature incorporated the town in 1832.

The next year a railroad was constructed to the town of Clinton, 19 miles (34 km.) to the northeast. The entire length of the Port Hudson and Clinton railroad was 21 miles, but it did not connect with the New Orleans, Jackson, and Great Northern railroad that connected Louisiana with other states and with Camp Moore
Camp Moore
Camp Moore, north of the Village of Tangipahoa near Kentwood, Louisiana, was a Confederate training base and principal base of operations in eastern Louisiana and southwestern Mississippi. The base was named for Louisiana Governor Thomas Overton Moore and operated from May 1861 to 1864 during the...

, the main mustering point for Confederate forces in the department. Also by 1862 the railroad was run down, the track consisting of strips of iron nailed flat to rotten ties. The entire rolling stock consisted of one locomotive, one passenger car, and six box and flat cars. This train could only accommodate a few hundred troops at the most and was inadequate for hauling heavy guns and their ammunition. This lack of transport independent of the river itself would limit the defensibility of Port Hudson.
Initial plans for fortification
Fortification
Fortifications are military constructions and buildings designed for defence in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs...

s were drawn up with the assistance of Captain James Nocquet, chief engineer for General Breckinridge. Along with loaning his engineering staff, Breckinridge also authorized Ruggles to gather needed supplies and tools using the Clinton and Port Hudson railroad, and whatever labor the area could provide for construction. Three different layouts for earthworks were considered, a central fort mounting cannon supported by angled outworks, a line of lunette
Lunette (fortification)
In fortification a lunette was originally an outwork of half-moon shape; later it became a redan with short flanks, in trace somewhat resembling a bastion standing by itself without curtains on either side...

s arranged along a four hundred yard line, and a continuous ring of redoubt
Redoubt
A redoubt is a fort or fort system usually consisting of an enclosed defensive emplacement outside a larger fort, usually relying on earthworks, though others are constructed of stone or brick. It is meant to protect soldiers outside the main defensive line and can be a permanent structure or a...

s, trenches, and parapet
Parapet
A parapet is a wall-like barrier at the edge of a roof, terrace, balcony or other structure. Where extending above a roof, it may simply be the portion of an exterior wall that continues above the line of the roof surface, or may be a continuation of a vertical feature beneath the roof such as a...

s surrounding the entire position.

The first option was rejected because it was thought it would concentrate the positions armament into too small a target, and thus be too vulnerable to bombardment. The third option was rejected because a siege was considered unlikely, and the task of building such extensive works too ambitious since the circumference of the ring would have been eight miles (13 km.) and required 35,000 men and 70 pieces of artillery to defend it. This left the line of lunettes as the best plan for the defense of the Port Hudson heights, and construction started on a line of seven of them fronting the river.

General Breckinridge was soon ordered to take most of his troops to Kentucky however, and on the 18th of August he left, leaving only 1,500 hundred men to work on the fortifications under Ruggles' command. Ruggles did have a forty-two-pounder smoothbore cannon, which he mounted immediately, manned by the sailors of the CSS Arkansas
CSS Arkansas
The CSS Arkansas was a Confederate Ironclad warship during the American Civil War. Serving in the Western Theater, the vessel ran through a U.S. Navy fleet at Vicksburg, Mississippi, on 15 July 1862, in a celebrated action in which she inflicted more damage than she received...

 which had been destroyed in the Battle of Baton Rouge
Battle of Baton Rouge (1862)
The Battle of Baton Rouge was a ground and naval battle in the American Civil War fought in East Baton Rouge Parish, Louisiana, on August 5, 1862. The Union victory halted Confederate attempts to recapture the capital city of Louisiana.-Background:...

. Two thirty-two-pounders were shortly added from the abandoned wreck of the .

The Union Navy assesses the defenses


General Ruggles was ordered to turn over command of Port Hudson to Brigadier General William Nelson Rector Beall
William Beall
William Nelson Rector Beall was a brigadier general in the Confederate States Army during the American Civil War. He is most noted for his supply efforts on behalf of Confederate prisoners of war.-Early life and career:...

 on the 29th of August, 1862, and take some of his troops to Mississippi. This was also the day the Union Navy began to contest the guns of Port Hudson for control of the Mississippi. The improvised Union gunboat USS Anglo-American, a wooden side-wheel steamboat, passed Port Hudson moving upriver to join with Commander David Dixon Porter
David Dixon Porter
David Dixon Porter was a member of one of the most distinguished families in the history of the United States Navy. Promoted as the second man to the rank of admiral, after his adoptive brother David G...

’s fleet at Vicksburg. It was struck many times by shot from Port Hudson but was unable to return fire due to wet cartridges and an ammunition shortage. The Anglo-American joined Porter’s fleet and reported the fortifications at Port Hudson.

Porter responded to the new threat by bombarding the Rebel position with the and the Anglo-American on September 7. The Union fleet did little damage to Port Hudson, but the Essex received significant damage and Porter reported 35-40 heavy guns at Port Hudson, a considerable exaggeration. During the lull in action resulting from the formidable reputation of the Port Hudson batteries, Beall slowly expanded the fortifications, delayed by Union possession of the river, and the inadequate rail and road system supporting his position. Jefferson Davis
Jefferson Davis
Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

 had by this time realized that linking the Port Hudson and Clinton railway to Jackson Mississippi would be invaluable in allowing reserves to be switched between Vicksburg and Port Hudson, depending upon which was most threatened. A desperate shortage of iron and transport within the Confederacy made this move impossible. Beall had also sent a request to Davis to impose martial law in the region of Port Hudson for the purpose of commandeering more resources for construction, but Davis denied this also.

Beall was able to set up a hospital at Centenary College at Jackson Louisiana
Centenary College of Louisiana
Centenary College of Louisiana is a primarily undergraduate, liberal arts and sciences college in Shreveport, Louisiana. The college is one of the founding members of the Associated Colleges of the South, a pedagogical organization consisting of sixteen Southern liberal arts colleges...

 for invalided troops from Port Hudson and Clinton, but the space proved inadequate. Confederate bureaucracy
Bureaucracy
A bureaucracy is an organization of non-elected officials of a governmental or organization who implement the rules, laws, and functions of their institution, and are occasionally characterized by officialism and red tape.-Weberian bureaucracy:...

 had made it difficult for Garrison Provost Marshal John C. Miller to construct a logistical system of warehouses and transports to supply the garrison with food, medical supplies, barracks, bedding and other material necessary for their health. The use of earthworks for fortification, which required unending labor to maintain and were unhealthful to live in, also contributed to the poor health of the garrison.

Poor supply lines, starvation, and disease were to remain the constant problems of the Port Hudson position, and overwhelm efforts to improve conditions for the soldiers of the garrison. Louisiana Private Robert D. Patrick wrote: “…never since I have been in the army have I fared so badly and in truth I have been almost starved.” At the same time commercial activity between Port Hudson and areas west of the Mississippi increased, because Port Hudson became the sole remaining link with the Trans-Mississippi. This tended to tie up even more of Port Hudson’s limited transport facilities.

A change of commands

The New Commanders

Lincoln's new commander of the Gulf, Nathaniel Banks, arrived in New Orleans on the 14th of December, 1862, with the 31,000 men of his expedition. The former commander, Benjamin Butler left for Lowell, Massachusetts on the 24th of December, but his troops remained behind. This effectively more than doubled Union troop strength in the gulf, and Banks put them to immediate use to re-occupy Baton Rouge on the 17th of December.

The Confederate command reacted to this increased Union commitment by sending a newly minted major general to take command of Port Hudson. Major General Franklin Gardner
Franklin Gardner
Franklin Gardner was a Confederate general in the American Civil War, best noted for his service at the Siege of Port Hudson.-Early life:...

 arrived at his post on the 27th of December, 1862. Gardner was a career army officer who graduated from West Point 17th in his class in 1843. The native New Yorker commanded a cavalry brigade at Shiloh
Battle of Shiloh
The Battle of Shiloh, also known as the Battle of Pittsburg Landing, was a major battle in the Western Theater of the American Civil War, fought April 6–7, 1862, in southwestern Tennessee. A Union army under Maj. Gen. Ulysses S. Grant had moved via the Tennessee River deep into Tennessee and...

 and was 39 years old at the time of his arrival. Upon taking command he reorganized the defenses at Port Hudson, concentrating the fields of fire of the heavy guns and setting up more earthworks using packed earth and sod rather than the traditional gabions or sandbags.

Lacking an adequate engineering staff, he expanded his planners by promoting Private Henry Glinder, who had formerly been a member of the Coast Survey, to first lieutenant of engineers. He also increased the efficiency of the supply and storage operations, along with building protected roads within the defense system to speed the movement of troops to threatened positions. His energy in making improvements and promoting those worthy of leadership made him popular with his troops, and improved garrison morale. Despite the changes, Colonel Charles M. Fauntleroy, inspector-general for the department, criticized the fortifications for containing excessive numbers of civilians, badly placed magazines, poor transport and storage of grain, and no system for paying the troops on time.

As Gardner strengthened his command, and gathered reinforcements from Pemberton
John C. Pemberton
John Clifford Pemberton , was a career United States Army officer who fought in the Seminole Wars and with distinction during the Mexican–American War. He also served as a Confederate general during the American Civil War, noted for his defeat and surrender in the critical Siege of Vicksburg in...

 sent by steamboat from Vicksburg, Banks dithered in New Orleans. He had little faith in the system of organization and military government left by Butler’s command and spent much time re-organizing the Union administration and establishing a more relaxed civil government to placate former Confederate backers in the city. Banks was a "Political General
Political general
A political general is a general officer or other military leader without significant military experience who is given a high position in command for political reasons, such as his own connections or to appease certain political blocs...

" and felt more comfortable with political organizing and social affairs than leading armies into the field against reputedly formidable fortifications. This lack of military zeal was noted by his officers. Colonel Sidney A. Bean recorded in his diary that under Butler, “much was accomplished with small means. Now nothing is accomplished with great means.” The Union leader most offended by this apparent inertia was Fleet Admiral Farragut of the Union Navy. Although Banks reluctantly agreed to move against Port Hudson, his slow progress and increased Rebel activity on the Mississippi in the area of Port Hudson caused Farragut’s patience to run out. In March 1863 Farragut prepared to confront Port Hudson without Union Army support.

Farragut’s fleet defies Port Hudson

Farragut had gathered his attack force by the 13th of March. This fleet consisted of four principal warships and three gunboats. The warships were USS Hartford
USS Hartford (1858)
USS Hartford, a sloop-of-war, was the first ship of the United States Navy named for Hartford, the capital of Connecticut.Hartford was launched 22 November 1858 at the Boston Navy Yard; sponsored by Miss Carrie Downes, Miss Lizzie Stringham, and Lieutenant G. J. H...

, Richmond
USS Richmond (1860)
The USS Richmond was a wooden steam sloop in the United States Navy during the American Civil War.-Service in the Caribbean :Richmond was launched on 26 January 1860 by the Norfolk Navy Yard; sponsored by a Miss Robb. Richmond, commanded by Captain D. N. Ingraham, departed Norfolk, Virginia 13...

, Monongahela
USS Monongahela (1862)
USS Monongahela was a barkentine–rigged screw sloop-of-war that served in the Union Navy during the American Civil War. Her task was to participate in the Union blockade of the Confederate States of America...

, and the Mississippi
USS Mississippi (1841)
USS Mississippi, a paddle frigate, was the first ship of the United States Navy to bear that name. She was named for the Mississippi River. Her sister ship was . Her keel was laid down by the Philadelphia Navy Yard in 1839; built under the personal supervision of Commodore Matthew Perry. She was...

. The gunboats were the USS Albatross, Genesee
USS Genesee (1862)
USS Genesee was a steamer acquired by the Union Navy during the American Civil War. She was used by the Navy to patrol navigable waterways of the Confederacy to prevent the South from trading with other countries....

, and Kineo
USS Kineo (1861)
USS Kineo was a built for the United States Navy during the American Civil War.-Service during the US Civil War:The first Kineo in the service of the Navy, she was launched on 9 October 1861 at Portland, Maine, by J. W. Dyer; sponsored by Miss Eunice C. Dyer, daughter of the builder, and...

. Farragut commanded this fleet from the Hartford. The first six vessels were lashed together in an attack column of pairs, with the steam frigate Mississippi bringing up the rear by itself. Farragut had made fairly elaborate preparations of the vessels themselves for a night attack resembling the Battle of Forts Jackson and St. Phillip, clearing the ships for action, whitewashing the gun decks to improve visibility for night action, and bringing up mortar boats for support. He also had the anchor chains of the attacking ships lashed to the sides of the attack ships as improvised armor. He did not however, make the systematic survey of defenses and sustained bombardment that supported the battle for the passage of the forts guarding New Orleans.

The Confederate fortress was ready for the attack, having noticed increased naval activity downriver, and the ranging shots of the six mortar schooners which covered the advance of the Union fleet near Prophet’s island three miles downriver from Port Hudson. At this time the Confederates had over 20 cannon covering the river arranged in eleven batteries of artillery, including nine batteries of heavy Coastal artillery
Coastal artillery
Coastal artillery is the branch of armed forces concerned with operating anti-ship artillery or fixed gun batteries in coastal fortifications....

. Lieutenant Colonel Marshall J. Smith commanded these heavy guns, and had instructed the gun crews of his plans before the battle.

Battery number seven was a Heated shot
Heated shot
Heated shot is the practice of heating round shot before firing from muzzle-loading cannons, for the purpose of setting fire to enemy warships, buildings, or equipment. The use of hot shot dates back centuries and only ceased when vessels armored with iron replaced wooden warships in the world's...

 position, using ammunition particularly effective against wooden warships. Other preparations included preparing piles of pine wood to be ignited to illuminate the river for night action, and observation posts near the river to fire rockets to warn of the approach of enemy vessels. The first of these rockets were fired at 11:20 PM on the 14th of March, 1863 at the approach of Farragut’s fleet. Instantly an eight-inch (200 mm.) smoothbore shell from battery 9 was fired at the Albatross, beginning the battle. The Union fleet advanced steadily upriver, beginning a general fire of broadsides as soon as their guns bore on the lower Confederate batteries on the Port Hudson slopes. The Rebel heavier guns, mounted over the walls of the seven lunettes on the crest of the bluffs had difficulty aiming at the ships, which were hugging the shorelines of the bluffs in order to avoid shoals on the western shore near the curve of the river north of Port Hudson.

Coarse black powder was the artillery propellant of the period, and produced dense clouds of white smoke when fired from cannon. Combined with the smoke of the pine wood illumination fires, and the darkness of the night attack, the river valley was rapidly obscured. Blinded by the dense smoke, the Hartford and Albatross ran aground on the eastern shore beneath the Rebel batteries. Despite remaining aground for ten minutes, the two lashed together lead ships had passed the last Rebel gun position by 12:15 AM and were out of range of Port Hudson by 12:45 AM. The rest of the fleet was not so lucky. The Genesee and Richmond were next in the column. A trick of the wind cleared the smoke momentarily between the batteries and the ships, and the Richmond was hammered by Rebel shot and shell. Just as the Richmond made the turn in the river north of Port Hudson, a 6.4-inch (160 mm.) solid conical shot tore through the starboard side, smashing both port and starboard boiler safety valves. This cut power to the engines and filled the ship with clouds of escaping steam. The Genesee alone did not have enough power to stem the current, and both ships drifted back downriver.

Monongahela and Kineo were next in the column, and also blinded by smoke ran aground on the western shore. The impact separated the two ships, the stress of backing off the shore disabled the Monongahela’s engine, and a thirty-two-pounder (14.5 kg.) round shot split the Kineo’s rudder post, disabling her steering. Both ships drifted downriver. The Mississippi was last in line and also ran aground on the western shore. The large steam frigate was an irresistible target, and was riddled with shot, shell, and hot shot. The vessel being afire in many places, with flames endangering the magazine, Captain Smith ordered her abandoned.

The garrison of Port Hudson cheered loudly as the ship went up in flames and drifted loose from the shore and back downriver at about 3 AM, panicking the remainder of the Union fleet downriver at the threat of her magazine exploding. At 5:05 AM the Mississippi disappeared in a terrific explosion, seen in New Orleans nearly 80 miles (129 km.) downriver. Though the Hartford and Albatross passed upriver to blockade the Red River, General Gardner and the Port Hudson garrison regarded the battle as a victory. They had sustained only three enlisted men killed, and three officers and nineteen men wounded compared to the 78 killed or missing and 35 wounded on the Union fleet. The blockade of the Red River also had little effect on the strength of the Port Hudson position.

Banks’s army moves against the fortress

After the naval attack, Banks retreated the 17,000 troops he had intended as a diversion to support Farragut back to Baton Rouge. The lack of an attack against Port Hudson, and a powerful rainstorm endured on the retreat lowered morale in the Union force. Other than sporadic naval bombardments against Port Hudson, Banks busied himself with minor expeditions against Major General Taylor
Richard Taylor (general)
Richard Taylor was a Confederate general in the American Civil War. He was the son of United States President Zachary Taylor and First Lady Margaret Taylor.-Early life:...

’s Confederate forces in western Louisiana. What finally brought him to leading an attack against Port Hudson was the prospect of reinforcements from Grant’s army arrayed against Vicksburg, and word that a significant part of the Port Hudson garrison had been sent to Pemberton in Vicksburg.

On May 11, 1863 the 3rd Louisiana Native Guards, one of Butler’s black regiments, began building bridges to support the movement of Bank’s forces against Port Hudson. Leading the advance was the cavalry brigade of Colonel Benjamin Henry Grierson, which had joined Bank’s forces on May second after their famous raid through the Rebel lines. The entire advance involved a pincher movement with three army divisions advancing from the northwest from Bayou Sara meeting two divisions advancing from the south from Baton Rouge. The meeting of the two groups would surround Port Hudson.

One of Banks's lead divisions from Baton Rouge encountered Confederates on May 21 at the Battle of Plains Store
Battle of Plains Store
The Battle of Plains Store or the Battle of Springfield Road was fought May 21, 1863, in East Baton Rouge Parish, Louisiana, during the campaign to capture Port Hudson in the American Civil War. The Union victory closed the last Confederate escape route from Port Hudson.-Background:The 1st...

. The Confederates were driven back, and by May 22, Banks's forces, which increased in strength from 30,000 to 40,000 men as the operation progressed, had completed an investment
Investment (military)
Investment is the military tactic of surrounding an enemy fort with armed forces to prevent entry or escape.A circumvallation is a line of fortifications, built by the attackers around the besieged fortification facing towards the enemy fort...

 of the Port Hudson defenses. Banks hoped to overrun the entrenchments quickly, then take his army northward to assist Grant at Vicksburg.

The fighting and siege

The first infantry assault

Sieges and the assault of fortified positions are probably the most complex and demanding of military operations. The foremost authority on these matters in the civil war was considered to be the French engineer, the Marquis de Vauban
Vauban
Sébastien Le Prestre, Seigneur de Vauban and later Marquis de Vauban , commonly referred to as Vauban, was a Marshal of France and the foremost military engineer of his age, famed for his skill in both designing fortifications and breaking through them...

, who designed many European fortification systems, and organized many successful sieges of the seventeenth century. The Confederate earthworks of Port Hudson, and their use of artillery lunettes show his influence, and corresponding attacks on such systems would have benefited from his theories. Rather than considering this store of information, Major General Banks chose to simply rush the fortifications with his infantry. He did not do so immediately however.

General Gardner chose to reinforce the picket lines shielding the Confederate grain mill and support shops of the areas near Little Sandy Creek because he did not consider a siege probable, and had not fortified that perimeter. Other Confederate troops remained outside the fortifications, consisting of 1200 troops under the command of Colonel John L. Logan. These represented all of Gardner’s cavalry, the 9th Louisiana Battalion, Partisan Rangers, and two artillery pieces of Robert’s battery. These troops slowed the encirclement of Banks troops, and prevented them from discovering the weaknesses in the defenses. Due to these delays, the infantry assault was scheduled for the 27th of May, 1863, five days after the encirclement and time enough for Gardner to complete the ring of defenses around Port Hudson. He also had sufficient time to move artillery from the river side of the fort to the east side fronting the Federal forces.

Weitzel’s morning attacks

Banks had set up his headquarters at Riley’s plantation and planned the attacks with his staff and division commanders. Many were opposed to the idea of trying to overwhelm the fort with a simple assault, but Banks wanted to end the siege as quickly as possible in order to support Grant, and felt that the 30,000 troops available to him would easily force the surrender of the 7,500 troops under Gardner, a four to one advantage. Four different assault groups were organized, under the commands of generals Godfrey Weitzel
Godfrey Weitzel
Godfrey Weitzel was a major general in the Union army during the American Civil War, as well as the acting Mayor of New Orleans during the Federal occupancy of the city.-Early life and career:...

, Cuvier Grover, Christopher C. Augur
Christopher C. Augur
Christopher Columbus Augur was an American military officer, most noted for his role in the American Civil War. Although less well known than other Union commanders, he was nonetheless considered an able battlefield commander.-Early life:Augur was born in Kendall, New York. He moved with his...

, and Thomas W. Sherman
Thomas W. Sherman
Thomas West Sherman was a United States Army officer with service during the Mexican-American War and the American Civil War....

. Banks did not choose a specific time for his intended simultaneous assault however, ordering his commanders to “…commence at the earliest hour practicable.”

The effect of this was to break up the attack, with generals Weitzel and Grover attacking on the north and northeast sides of the fort at dawn, and generals Augur and Sherman attacking on the east and southeast sides at noon. The naval bombardment began the night before the attack, the 13” (330 mm.) mortars firing most of the evening, and the upper and lower fleets beginning firing for an hour after 7 AM. The army land batteries also fired an hour bombardment after 5:30 AM. Weitzel’s two divisions began the attack at 6 AM on the north, advancing through the densely forested ravines bordering the valley of Little Sandy Creek. This valley led the assault into a salient
Salients, re-entrants and pockets
A salient is a battlefield feature that projects into enemy territory. The salient is surrounded by the enemy on three sides, making the troops occupying the salient vulnerable. The enemy's line facing a salient is referred to as a re-entrant...

 formed by a fortified ridge known as the “bull pen” where the defenders slaughtered cattle, and a lunette on a ridge nicknamed “Fort Desperate” which had been hastily improvised to protect the forts grain mill.

At the end of this ravine between the two was a hill described as “commissary hill” with an artillery battery mounted on it. The union troops were caught in a crossfire from these three positions, and held in place by dense vegetation and obstacles placed by rebel troops that halted their advance. The combination of rugged terrain, a crossfire from three sides, and rebel sharpshooters inflicted many causualties. The Union troops advancing west of the bull pen were made up of Fearing’s brigade. These soldiers were caught between the bull pen, which had been reinforced with the 14th, 18th, and 23rd Arkansas regiments from the east side of Port Hudson, and a more western fortified ridge manned by Lieutenant Colonel M. B. Locke’s Alabama troops. Once again the combination of steep sided ravines, dense vegetation, and a rebel crossfire from ridge top trenches halted the Union advance. Premature shell bursts from the supporting artillery of the 1st Maine Battery also caused Union casualties.

Seeing that his advance had been stopped, Brigadier General William Dwight ordered the 1st
1st Louisiana Native Guard
The 1st Louisiana Native Guard was one of the first all-black regiments to fight in the Union Army during the American Civil War. It was based in New Orleans, Louisiana, and played a prominent role in the Siege of Port Hudson...

 and 3rd Louisiana Native Guard
3rd Louisiana Regiment Native Guard Infantry
The 3rd Louisiana Regiment Native Guard Infantry was a regiment in the Union Army during the American Civil War.-Port Hudson:The unit was organized at New Orleans, Louisiana, November 24, 1862 and remained there until May, 1863...

 forward into the attack. These troops were not intended to take part in the attack due to the general prejudice against negro troops on the part of the Union high command. Dwight was determined to break though the Confederate fortifications however, and committed them to the attack at 10 AM. Since they had been deployed as pioneers, working on the pontoon bridge over Big Sandy Creek near it’s junction with the Mississippi, these troops were in the worst possible position for an attack than all the units in Weitzel’s northern assault group.

The Guard first had to advance over the pontoon bridge, along Telegraph Road with a fortified ridge to their left manned by William B. Shelby’s 39th Mississippi troops supported by a light artillery battery, the Confederate heavy artillery batteries to their front, and the Mississippi river to their immediate left. Despite the heavy crossfire from rifles, field artillery, and heavy coast guns, the Louisiana Native Guards advanced with determination and courage, led by Captain Andre Cailloux
Andre Cailloux
Andre Cailloux was one of the first black officers in the Union Army to be killed in combat during the American Civil War. He died heroically during the unsuccessful first attack on the Confederate fortifications during the Siege of Port Hudson, Louisiana...

, a free black citizen of New Orleans. Giving orders in English and French, Cailloux led the Guard regiments forward until killed by artillery fire. Taking heavy losses, the attackers were forced to retreat to avoid annihilation. This fearless advance did much to dissipate the belief that black troops were unreliable under fire.

In an attempt to support Weitzel’s unsuccessful assault, Brigadier Grover, commanding the northeast attack on the fortress, sent two of his regiments along the road leading northeast from Commissary Hill to assault Fort Desperate. This group had no more success than Weitzel’s troops, so Grover sent three more regiments to attack the stubborn 15th Arkansas troops defending the fort. These piecemeal and sporadic efforts were also futile, and the fighting ended on the northern edge of the fortress by noon.

Sherman’s afternoon attacks

While the infantry attacks raged against the northern section of the fortress, Brigadier General Sherman lined up 30 cannon opposite the eastern side of the fortress and conducted a steady bombardment of the rebel works and battery positions, supported by sharpshooters aiming for Confederate artillery crews. This effort had some success, but General Banks, upon hearing no rifle fire from the Union center, visited Sherman’s headquarters and threatened to relieve him of command unless he advanced his troops. Sherman then began the attack on the eastern edge of the Port Hudson works at about 2 PM.

These attacks included the troops of Augur as well as his own, and had less in the way of natural terrain obstacles to contend with, but in this area the Confederates had more time to construct fortifications, and had put more effort and firepower into them. One feature of the earthworks in this region was a dry moat
Moat
A moat is a deep, broad ditch, either dry or filled with water, that surrounds a castle, other building or town, historically to provide it with a preliminary line of defence. In some places moats evolved into more extensive water defences, including natural or artificial lakes, dams and sluices...

 and more abatis
Abatis
Abatis, abattis, or abbattis is a term in field fortification for an obstacle formed of the branches of trees laid in a row, with the sharpened tops directed outwards, towards the enemy. The trees are usually interlaced or tied with wire...

 or cut down trees in front of the parapet. The Union attackers therefore carried axes, poles, planks, cotton bags and fascine
Fascine
A fascine is a rough bundle of brushwood used for strengthening an earthen structure, or making a path across uneven or wet terrain. Typical uses are protecting the banks of streams from erosion, covering marshy ground and so on.-Early military use:...

s to fill in the ditch. Another feature of the rebel defense was a battery containing two 24-pounder smoothbore
Field Artillery in the American Civil War
Field artillery in the American Civil War refers to the important artillery weapons, equipment, and practices used by the Artillery branch to support the infantry and cavalry forces in the field. It does not include siege artillery, use of artillery in fixed fortifications, or coastal or naval...

 (5.82-inch, 148 mm. bore) as canister throwers.

In this case the canister was composed of broken chains, segments of railroad rails, and other scrap iron. Confederate Colonel William R. Miles, commanding the infantry in the sector, had also removed all the rifles from the hospital that had been left by the sick and wounded. He was thus able to equip each of his soldiers with three weapons, greatly increasing their firepower. When the Union infantry closed within 200 yards they were met by a hail of rifle and canister fire, and few made it within 70 yards of the Confederate lines. Union commanders Sherman and Dow were wounded in these attacks, and Lieutenant Colonel James O'Brien, commanding the pioneer group, was killed. At 5 PM the commander of the 159th New York raised a white flag to signal a truce to remove the wounded and dead from the field. This ended the fighting for the day. None of the Union attacks had even made it to the Confederate parapets.

The last infantry attack on the Port Hudson fortifications

The successful defense of their lines brought a renewed confidence to Gardner and his garrison. They felt though a combination of well planned defensive earthworks and the skillful and deliberate reinforcement of threatened areas, the superior numbers of attackers had been repulsed. Learning from his experience, Gardner organized a more methodical system of defense. This involved dividing the fortifications into a network of defense zones, with an engineering officer in charge of strengthening the defense in each area. For the most part this involved once again charting the best cross fire for artillery positions, improving firepower concentrations, and digging protective pits to house artillery when not in use, to protect them from enemy bombardment.

Spent bullets and scrap metal were sewed into shirtsleeves to make up canister casings for the artillery, and the heavy coast guns facing the river that had center pivot mounts were cleared for firing on Union positions on the eastern side of the fortress. Three of these guns were equipped for this, and one 10 inches (254 mm) Columbiad in Battery Four was so effective in this that Union troops referred to it as the “Demoralizer." Its fearful reputation spawned the myth that it was mounted on a railroad car, and could fire from any position in the fortifications. Captain L.J. Girard was placed in charge of the function of the artillery, and despite material shortages, achieved miracles in keeping the artillery functional. Rifles captured from the enemy or taken from hospitalized soldiers were stacked for use by troops in the trench lines.

Positions in front of the lines were land mine
Land mine
A land mine is usually a weight-triggered explosive device which is intended to damage a target—either human or inanimate—by means of a blast and/or fragment impact....

d with unexploded 13-inch (330 mm)mortar shells, known as “torpedoes” at the time. Sniper
Sniper
A sniper is a marksman who shoots targets from concealed positions or distances exceeding the capabilities of regular personnel. Snipers typically have specialized training and distinct high-precision rifles....

 positions were also prepared at high points in the trench works for sharpshooters. These methods improved the defense, but could not make up for the fact that the garrison was short of everything except gunpowder. The food shortage was a drag on morale, and resulted in a significant level of desertion to the enemy. This drain on manpower was recorded by Colonel Steedman who wrote, “Our most serious and annoying difficulty is the unreliable character of a portion of our Louisiana troops. Many have deserted to the enemy, giving him information of our real condition; yet in the same regiments we have some of our ablest officers and men.” Miles Louisiana Legion was considered the greatest offender.

On the Union side, astonishment and chagrin were near universal in reaction to the decisive defeat of the infantry assaults. Banks was determined to continue the siege in view of the fact that his political as well as military career would be destroyed by a withdrawal to Baton Rouge. The resources of his entire command were called into play, and men and material poured into the Union encirclement. Nine additional regiments appeared in the lines by June 1. 89 field guns were brought into action, and naval guns from the USS Richmond were added to the siege guns bearing on the fortress. These six naval guns were 9-inch (229 mm) Dahlgren
Dahlgren gun
Dahlgren guns were muzzle loading naval artillery designed by Rear Admiral John A. Dahlgren USN, mostly used in the period of the American Civil War. Dahlgren's design philosophy evolved from an accidental explosion in 1849 of a 32-pounder being tested for accuracy, killing a gunner...

 smoothbores. The guns were originally intended for a battery at the Head of Passes
Battle of the Head of Passes
The Battle of the Head of Passes was a bloodless naval battle of the American Civil War. It was a naval raid made by the Confederate river defense fleet, also known as the “mosquito fleet” in the local media, on ships of the Union Blockade squadron anchored at the Head of Passes...

 in the Mississippi Delta. The fact that four were finally emplaced in Battery Number 10, just east of “Fort Desperate” and two in Number 24, gives some idea of the reach and progress of the Union Navy. Each of the Dahlgren guns weighed 9020 pounds and was 9 feet long, capable of firing a 73.5 pound (33.3 kg.) exploding shell.

The second assault began with a sustained shelling of the Confederate works beginning at 11:15 AM on June 13, 1863, and lasting an hour. Banks then sent a message to Gardner demanding the surrender of his position. Gardner’s reply was, “My duty requires me to defend this position, and therefore I decline to surrender”. Banks continued the bombardment for the night, but only gave the order for what was to be a simultaneous three prong infantry attack on 1AM of June 14. The attack finally began at 3:30 AM, but the lack of any agreed upon plan, and a heavy fog disordered the attack as it began. The Grover's column struck the Confederate line at “Fort Desperate” before the others, and the same formidable terrain combined with the enhanced Confederate defense stopped the attacks outside the rebel works. Auger's demonstration at the center arrived after the main attack had failed, and the attack on the southern end of the line was made after daylight, and stood little chance as a result. The infantry attack had only resulted in even more dead and wounded soldiers, 1,792 casualties against 47 rebel, including division commander Brig. Gen. Halbert E. Paine
Halbert E. Paine
Halbert Eleazer Paine was a lawyer, politician, and general in the Union Army during the American Civil War. He was a three-term postbellum U.S. Congressman from Wisconsin.-Biography:...

. He led the main attack and fell wounded, losing a leg. After this, the actions against Port Hudson were reduced to bombardment and siege.

Last stages of the siege, June 15th to July 9th, 1863

The day after the last infantry assault, General Banks assembled some of his troops at the corps headquarters and thanked them for their previous efforts and sacrifices. He also asked for volunteers for a special attack group to be trained intensively to breach the Confederate trench line. His speech generated little enthusiasm, but a unit of 1036 men was formed and removed to a training camp in the rear to prepare for the attack. There they assembled siege ladders and organized into two battalions, commanded by Lieutenant Colonel Van Petten and Lieutenant Colonel A. S. Bickmore. Colonel Henry W. Birge of the 13th Connecticut volunteered to lead the special assault regiment.

Regular siege operations were also reorganized under the command of a new chief engineer, Captain John C. Palfrey. He concentrated the efforts of the siege on three areas of the fortifications, Fort Desperate, the Priest Cap (Confederate batteries 14 & 15), and the Citadel, the southernmost bastion of the fortifications, nicknamed by Union forces as “the Devil’s Elbow”. These efforts did not involve infantry rushing the trenches, but a siege technique called sapping
Sapping
Mining, landmining or undermining is a siege method which has been used since antiquity against a walled city, fortress, castle or other strongly held and fortified military position.-Antiquity:...

, or constructing a series of zigzag trenches, fortified batteries, and sharpshooter positions intended to isolate and suppress individual defensive bastions. The sharpshooter or sniper positions were described at the time as ‘’trench cavaliers’’ and were raised mounds of earth, reinforced with timbers or other materials to allow riflemen to overlook the enemy trenches and fire down into them.

The Citadel was to be reduced by a powerful siege battery constructed on a hill just to the south, Union battery number 24, intended to suppress the Confederate position by superior firepower. Union batteries were also constructed on the west bank of the Mississippi opposite Port Hudson, completely surrounding it with Union artillery batteries. Union forces also made raids on opposing trenches and batteries, to enhance their own trench lines or disable enemy batteries. Some of the 6th Michigan troops opposite the Citadel were armed with the .54 caliber (14 mm) breach loading Merrill carbine, which gave them a rapid fire edge in trench raids. On the 26th of June, a general bombardment from Union batteries and guns of the Union fleet began, disabling or suppressing what remained of the Confederate artillery. Along with the trenching operations, the Federals also constructed three mines underneath the opposing works, two of them directed against the Priest Cap, and one under the Citadel. After the mines were finished, chambers at the end of the mines would be loaded with powder, and exploded under the Confederate works, destroying them, and blowing gaps in the trench lines. At this point an infantry assault would be launched, hopefully overrunning the entire fortification.

The Confederates responded to the siege techniques with increased efforts of their own. The grist mill at Fort Desperate had been destroyed by shelling. It was replaced by using the locomotive from the defunct railroad to power millstones, providing a steady supply of cornmeal for the garrison. Expended rifle and artillery shells were salvaged for reuse by the defense, small arms shot being recast for making new cartridges, artillery rounds refused and distributed to confederate artillery of the same caliber, or reused as mines and grenades. Additional trench lines, obstacles, mines, and bunkers were added to the threatened bastions, making them more difficult to bombard, infiltrate, or overrun. The Priest Cap bastion had a particularly elaborate defense system, including the use of telegraph wire staked up to a height of 18 inches (457.2 mm), in order to trip attacking infantry. Additional field artillery and infantry were added to the defense of Fort Desperate, making sapping in that area more costly.

Various raids against Union saps were also conducted. On June 26, the Confederates launched a trench raid by the 16th Arkansas Infantry against the Priest Cap sap, taking seven prisoners, and capturing weapons and supplies. Rebel trench raiders and defenders were adept at constructing and using improvised hand grenades. Raids by Logan’s cavalry were also made against Union positions outside the siege lines. On June 3 an advance by Grierson’s Union cavalry against Logan’s position at Clinton was repulsed. The 14th New York Cavalry was hit on the 15th of June near Newport, two miles from Port Hudson. Other raids struck Union foraging parties returning from Jackson, Louisiana, and captured the Union General Neal Dow, who was convalescing at Heath plantation. The biggest raid set fire to the Union supply center at Springfield Landing on July 2. These raids were annoying to Banks, but could not break the siege. On July 3, a countermine was exploded near one of the Federal mines under the Priests Cap. This collapsed the mine, but surprisingly did not cause any Union casualties. The defenders could not compensate for the constant losses of personnel resulting from starvation, disease, particularly scurvy, dysentery, and malaria, sniping, shell fragments, sunstroke and desertion. The use of mule meat and rats as rations could not maintain the health of the soldiers left standing, and was a further drain on morale.

The siege created hardships and deprivations for both the North and South, but by early July the Confederates were in much worse shape. They had exhausted practically all of their food supplies and ammunition, and fighting and disease had greatly reduced the number of men able to defend the trenches. When Maj. Gen. Gardner learned that Vicksburg had surrendered on July 4, 1863, he realized that his situation was hopeless and that nothing could be gained by continuing. The terms of surrender were negotiated, and on July 9, 1863, the Confederates laid down their weapons, ending 48 days of continuous fighting. Captain Thornton A. Jenkins
Thornton A. Jenkins
Thornton A. Jenkins was an officer in the United States Navy, who served during the Mexican-American War and the American Civil War. He later served as Chief of the Bureau of Navigation and as President of the United States Naval Institute...

 accepted the Confederate surrender, as Admiral
Admiral
Admiral is the rank, or part of the name of the ranks, of the highest naval officers. It is usually considered a full admiral and above vice admiral and below admiral of the fleet . It is usually abbreviated to "Adm" or "ADM"...

 David Farragut
David Farragut
David Glasgow Farragut was a flag officer of the United States Navy during the American Civil War. He was the first rear admiral, vice admiral, and admiral in the United States Navy. He is remembered in popular culture for his order at the Battle of Mobile Bay, usually paraphrased: "Damn the...

 was in New Orleans.

Aftermath

The surrender gave the Union complete control of the Mississippi River and its major tributaries, severing communications and trade between the eastern and western states of the Confederacy. Both sides suffered heavy casualties: between 4,700 to 5,200 Union men were casualties, and an additional 4,000 fell prey to disease or sunstroke; Gardner's forces suffered around 900 casualties, from battle losses and disease. Banks granted lenient terms to the Port Hudson garrison. The enlisted men were paroled to their homes, with transport for the sick and lightly wounded. Seriously sick or wounded were placed under Union medical care. 5,935 men and civilian employees of the Confederate Army were officially paroled. 405 officers were not paroled and as prisoners to Memphis and New Orleans, half eventually winding up in Johnson's Island
Johnson's Island
Johnson's Island is a island in Sandusky Bay, located on the coast of Lake Erie, 3 miles from the city of Sandusky, Ohio. It was the site of a prisoner-of-war camp for Confederate officers captured during the American Civil War. Johnson's Island was the only Union prison exclusively for Southern...

 prison camp in Ohio. Since the terms of the parole were not in agreement with parole conditions acceptable to the Union and Confederate armies then current, the Confederate Army furloughed the returned troops until September 15, 1863, then returned them to duty. This outraged some leaders of the Union army, but General Halleck, in charge of US armies, admitted the paroles were in error.

The reputation of black soldiers in Union service was enhanced by the siege. The advance of the Louisiana Guard on May 27 had gained much coverage in northern newspapers. The attack was repulsed, due to its hasty implementation, but was bravely carried out in spite of the hopeless magnitude of opposing conditions. This performance was noted by the army leadership. In a letter home, Captain Robert F. Wilkinson wrote, “One thing I am glad to say, that is that the black troops at P. Hudson fought & acted superbly. The theory of negro inefficiency is, I am very thankful at last thoroughly Exploded by facts. We shall shortly have a splendid army of thousands of them.” General Banks also noted their performance in his official report, stating, “The severe test to which they were subjected, and the determined manner in which they encountered the enemy, leaves upon my mind no doubt of their ultimate success.” These reports had an impact far from Louisiana, or the Union army. On June 11, 1863, an editorial from the influential and widely read New York Times stated, “They were comparatively raw troops, and were yet subjected to the most awful ordeal… The men, white or black, who will not flinch from that, will flinch from nothing. It is no longer possible to doubt the bravery and steadiness of the colored race, when rightly led.” These observations did much to support abolitionist efforts in the northeast to recruit free blacks for the Union armed services. By the end of the war nearly 200,000 blacks had served in the Union forces.

A significant result of the siege was the blow it gave Banks’s political ambitions. If Banks had overrun the position in May, he could then have taken command of Grant’s siege of Vicksburg as the ranking officer and appeared a hero. This would have redeemed his military reputation, and bolstered his political hopes for a presidential candidacy. Since Vicksburg fell before Port Hudson, Grant reaped the promotions and reputation for victory in the west, and eventually attained the White House, Banks’s cherished ambition. As it was, Banks had to settle for setting up cotton deals for his northeast constituency, and arrange political alliances for a new state government aligned with Union and Republican interests in mind. He was quite experienced in this kind of scheming, and in the absence of military opportunities, economic advantages beckoned. Banks’s armies had gathered three million dollars worth of livestock and supplies while engaged in operations in western Louisiana in the spring of 1863. This bounty impressed Banks, and it was also estimated that vast stores of cotton and many Union sympathizers were waiting on the Red River in eastern Texas. In response to these observations, Banks produced his one third holding plan, the idea of re-opening trade with Europe, and diverting one third of the proceeds for the Federal Treasury. This economic bonanza would once again revive his political prospects, and justify the beginning of the Red River Campaign
Red River Campaign
The Red River Campaign or Red River Expedition consisted of a series of battles fought along the Red River in Louisiana during the American Civil War from March 10 to May 22, 1864. The campaign was a Union initiative, fought between approximately 30,000 Union troops under the command of Maj. Gen....

, a military expedition into eastern Texas, the next step in military operations in Louisiana.

After the war, a small number of former soldiers were awarded the Medal of Honor
Medal of Honor
The Medal of Honor is the highest military decoration awarded by the United States government. It is bestowed by the President, in the name of Congress, upon members of the United States Armed Forces who distinguish themselves through "conspicuous gallantry and intrepidity at the risk of his or her...

 for their actions at Port Hudson, including George Mason Lovering
George Mason Lovering
George Mason Lovering was a Union Army soldier who received the Medal of Honor for meritorious service during the American Civil War.-Biography:...

of the 4th Massachusetts.

External links

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