The city was originally incorporated by the state on 24 January 1850.

It originally incorporated as a village on June 25, 1930.

It originally incorporated as a village on January 1, 1960.

It originally incorporated as a village on December 31, 1949.

It was originally incorporated as the town of Gladeville in 1874.

Originally incorporated as a nonprofit, it became a for-profit company in 1970.

It was originally incorporated by special charter in 1857.

The village was originally incorporated in 1816, but was not organized until 1836.

The area originally incorporated the town of Clinton, which were separated along ecclesiastical borders.

Radioluminescent paint was invented in 1908 and originally incorporated radium-226.