“An Act to Incorporate the City of Nauvoo,” approved 16 December 1840 by the Illinois general assembly to legally organize the city of Nauvoo. The charter authorized the creation of a city council, consisting initially of a mayor, four aldermen, and nine council members; and a municipal court with jurisdiction over local cases and the power to issue writs of habeas corpus. The charter also included provisions for a university and a local militia. While no specific provision of Nauvoo’s charter was unique among Illinois city charters, the combination of powers in the charter and the energetic use of those powers became a source of contention. After efforts to repeal the charter during JS’s lifetime, it was finally repealed in January 1845.