January 1, 1812
1812 battle during the Napoleonic Wars
1812 United States presidential election — 7th quadrennial U.S. presidential election
War of 1812 era stockade located in the modern city of Terre Haute, Indiana
In La Victoria, Aragua, Venezuela
Violent riots in the summer of 1812 in Baltimore, Maryland, US
1812 naval battle of the Napoleonic Wars
Magnitude 7 earthquake (March 26, 1812) in Venezuela damaging Caracas, La Guaira, Barquisimeto, San Felipe and Mérida
1812 treaty between Sweden and Russia
Treaty of Bucharest — peace treaty in 1812
Siege during the French invasion of Russia (1812)