The area of the modern city of Jacksonville has been inhabited for thousands of years.
On Black Hammock Island in the national Timucuan Ecological and Historic Preserve, a University of North Florida team discovered some of the oldest remnants of pottery in the United States, dating to 2500 BC.
In 1822, a year after the United States gained Florida from Spain, the town of Jacksonville was platted along the St. Established at a narrow point in the river known as Wacca Pilatka to the Seminole and the Cow Ford to the British, the enduring name derives from the first military governor of the Florida Territory and seventh President of the United States, Andrew Jackson.
As a result, the northeastern Florida area prospered economically more than it had under the Spanish.
Britain ceded control of the territory back to Spain in 1783, after its defeat in the American Revolutionary War, and the settlement at the Cow Ford continued to grow.
In February 1864 Union forces left Jacksonville and confronted a Confederate Army at the Battle of Olustee resulting in a Confederate victory.
Union forces then retreated to Jacksonville and held the city for the remainder of the war.
Jacksonville is a seaport city and the seat of Duval County, Florida, United States.