Henry Jackson was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 pioneer, businessman, and politician from Minnesota

Minnesota

Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

.

Born in Abingdon, Virginia

Abingdon, Virginia

Abingdon is a town in Washington County, Virginia, USA, 133 miles southwest of Roanoke. The population was 8,191 at the 2010 census. It is the county seat of Washington County and is a designated Virginia Historic Landmark...

, Jackson served in the Texas army under Sam Houston

Sam Houston

Samuel Houston, known as Sam Houston , was a 19th-century American statesman, politician, and soldier. He was born in Timber Ridge in the Shenandoah Valley of Virginia, of Scots-Irish descent. Houston became a key figure in the history of Texas and was elected as the first and third President of...

 during the Texas Revolution

Texas Revolution

The Texas Revolution or Texas War of Independence was an armed conflict between Mexico and settlers in the Texas portion of the Mexican state Coahuila y Tejas. The war lasted from October 2, 1835 to April 21, 1836...

. He moved to Green Bay, Wisconsin

Green Bay, Wisconsin

Green Bay is a city in and the county seat of Brown County in the U.S. state of Wisconsin, located at the head of Green Bay, a sub-basin of Lake Michigan, at the mouth of the Fox River. It has an elevation of above sea level and is located north of Milwaukee. As of the 2010 United States Census,...

, then Galena, Illinois

Galena, Illinois

Galena is the county seat of, and largest city in, Jo Daviess County, Illinois in the United States, with a population of 3,429 in 2010. The city is a popular tourist destination known for its history, historical architecture, and ski and golf resorts. Galena was the residence of Ulysses S...

, where he opened a store. After some difficulties, he moved to Saint Paul, Minnesota

Saint Paul, Minnesota

Saint Paul is the capital and second-most populous city of the U.S. state of Minnesota. The city lies mostly on the east bank of the Mississippi River in the area surrounding its point of confluence with the Minnesota River, and adjoins Minneapolis, the state's largest city...

 and was the first merchant to settle there. He was also the first postmaster in Saint Paul and served on the Saint Paul Town Council. He was also appointed justice of the peace by Henry Dodge

Henry Dodge

Henry Dodge was a Democratic member of the U.S. House of Representatives and U.S. Senate, Territorial Governor of Wisconsin and a veteran of the Black Hawk War. His son was Augustus C. Dodge with whom he served in the U.S. Senate, the first, and so far only, father-son pair to serve concurrently....

 Governor of Wisconsin Territory

Wisconsin Territory

The Territory of Wisconsin was an organized incorporated territory of the United States that existed from July 3, 1836, until May 29, 1848, when an eastern portion of the territory was admitted to the Union as the State of Wisconsin...

 for what is now St. Croix County, Wisconsin

St. Croix County, Wisconsin

St. Croix County is a county in the U.S. state of Wisconsin. As of 2010, the population was 84,345. Its county seat is Hudson. St. Croix County is part of the Minneapolis-St. Paul Metropolitan Statistical Area . It is the fastest growing county in Wisconsin.-Geography:According to the U.S...

. In 1847-1848, Jackson served in the Wisconsin Territorial Legislature, in the Wisconsin Territorial House of Representatives, and in 1849 was elected to the first Minnesota Territorial Legislature serving in the Minnesota Territorial House of Representatives. In 1852, he help found Mankato, Minnesota

Mankato, Minnesota

Mankato is a city in Blue Earth, Nicollet, and Le Sueur counties in the U.S. state of Minnesota. The population was 39,309 at the 2010 census, making it the fourth largest city in Minnesota outside of the Minneapolis-St. Paul metropolitan area. The county seat of Blue Earth County, it is located...

. Jackson County, Minnesota

Jackson County, Minnesota

As of the census of 2000, there were 11,268 people, 4,556 households, and 3,116 families residing in the county. The population density was 16 people per square mile . There were 5,092 housing units at an average density of 7 per square mile...

was named after him.