1778Government
In 1778 he established a post on an island at the head of the Falls of the Ohio, from which he trained his 175-man regiment.
1783Government
The town was founded in 1783 by early resident George Rogers Clark at the only seasonal rapids on the entire Ohio River, it is the oldest American town in the former Northwest T...
1805Government
On August 24, 1805, the Indiana Territorial Legislature authorized the construction of a canal around the Falls of the Ohio at Clarksville.
1809History
The most famous of these was the 1809 duel between Henry Clay and Humphrey Marshall.
1817Infrastructure
Developers tried to build a canal in 1817 and again in 1820.
1826Infrastructure
But the race to build the canal was lost in 1826 when the federal government made a large grant to build the Louisville and Portland Canal.
1889History
This remained controversial with residents until 1889 when the board stopped meeting and was replaced by a three-member board.
1937Disaster
The historic records related to this governmental change were lost in the Ohio River flood of 1937.
1981History
By 1981 the State of Indiana changed statutes to convert the managing board of trustees to a council with members rather than trustees.
1990History
In 1990 voters approved expansion of members of the Town Council from five to seven following the area growth.
1998History
Mickie Knuckles, female professional wrestler, born in Clarksville
Rose Will Monroe, aka Rosie the Riveter
== Twin cities ==
The Clarksville sister or twin city program began ...
2000History
=== 2000 census ===
As of the census of 2000, there were 21,400 people, 8,984 households, and 5,561 families living in the town.
2008Economy
As the Colgate company closed the plant in early 2008, the clock's future was in question.
2010History
== Demographics ==
=== 2010 census ===
As of the census of 2010, there were 21,724 people, 9,175 households, and 5,464 families living in the town.