Campbell County, Georgia was a county

County (United States)

In the United States, a county is a geographic subdivision of a state , usually assigned some governmental authority. The term "county" is used in 48 of the 50 states; Louisiana is divided into parishes and Alaska into boroughs. Parishes and boroughs are called "county-equivalents" by the U.S...

 of the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

 from 1828 to 1931. It was created by the state legislature

Georgia General Assembly

The Georgia General Assembly is the state legislature of the U.S. state of Georgia. It is bicameral, being composed of the Georgia House of Representatives and the Georgia Senate....

 on December 20, 1828 from land taken from Fayette

Fayette County, Georgia

Fayette County is a county located in the U.S. state of Georgia. As of 2000, the population was 91,263. The 2007 Census Estimate shows a population of 106,144. The county seat is Fayetteville....

, Coweta

Coweta County, Georgia

Coweta County is a county located in the U.S. state of Georgia. As of 2000, the population was 89,215. The 2009 Census Estimate placed the population at 131,936...

, and Carroll

Carroll County, Georgia

Carroll County is a county located in the U.S. state of Georgia. As of the 2000 census, the population was 87,268. The 2007 Census Estimate shows a population of 111,954...

 counties, and from the half of DeKalb County

DeKalb County, Georgia

DeKalb County is a county located in the U.S. state of Georgia. The population of the county was 691,893 at the 2010 census. Its county seat is the city of Decatur. It is bordered to the west by Fulton County and contains roughly 10% of the city of Atlanta...

 which became Fulton County

Fulton County, Georgia

Fulton County is a county located in the U.S. state of Georgia. Its county seat is Atlanta, the state capital since 1868 and the principal county of the Atlanta metropolitan area...

 soon afterward. Georgia's Cherokee Land Lottery of 1832 also added to the county. The county was named for Duncan G. Campbell, one of the U.S. commissioners responsible for the Treaty of Indian Springs

Treaty of Indian Springs

There are two Treaties of Indian Springs with the Creek Indians. The first treaty was signed January 8, 1821. In it, the Lower Creek ceded land to the state of Georgia in return for cash payments totaling $200,000 over a period of 14 years...

.http://georgiainfo.galileo.usg.edu/histcountymaps/campbellhistmaps.htm

The original county seat was Campbellton

Campbellton, Georgia

Campbellton is an unincorporated town in southwestern Fulton County, Georgia, that lies along the banks of the Chattahoochee River. The area prior to white settlement was populated by the Creek Indians. Campbellton was settled by several families. The Beavers Family owned and farmed a large...

; however, when the Atlanta & West Point Railroad began to plan its route, the town's residents said no due to noise concerns. The tracks

Rail tracks

The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, sleepers and ballast , plus the underlying subgrade...

 were laid through Fairburn

Fairburn, Georgia

Fairburn is a city in Fulton County, Georgia. The population was 12,950 at the 2010 census.- History :Fairburn is located along a railroad line and was once the county seat for Campbell County, Georgia, starting in 1870...

 instead, which flourished while Campbellton died out, and Fairburn soon became the new county seat

County seat

A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States....

 in 1870.
The northwestern half of Campbell (and a bit more of Carroll) became Douglas

Douglas County, Georgia

Douglas County, Georgia has been experiencing numerous natural disasters over the most recent decades. Being located in the South Eastern United States the county experiences strong storms and tornadoes often because of its location in Dixie Alley....

 County in 1870, divided on October 17 at the Chattahoochee River

Chattahoochee River

The Chattahoochee River flows through or along the borders of the U.S. states of Georgia, Alabama, and Florida. It is a tributary of the Apalachicola River, a relatively short river formed by the confluence of the Chattahoochee and Flint Rivers and emptying into Apalachicola Bay in the Gulf of...

. The remainder of Campbell County was ceded to Fulton County at the end of 1931, along with Milton County

Milton County, Georgia

Milton County was a county of the U.S. state of Georgia from 1857 to 1931. It was created on December 18, 1857 from parts of northeastern Cobb, southeastern Cherokee, and southwestern Forsyth counties. The county was named for John Milton, Secretary of State of Georgia from 1777 to 1799...

, to save money. The legislation

Legislation

Legislation is law which has been promulgated by a legislature or other governing body, or the process of making it...

creating the merger was enacted on August 9, 1929, with Milton being added to the process in 1931.