The War of 1812 took place in both the United States and Canada. Battles were fought in the Atlantic Ocean, the Great Lakes, the Canadian frontier, the Southern states and southwestern territories.
The War of 1812 began in 1812 and lasted until 1814. It was a war between the United States and Great Britain. The war began because Americans disagreed with the trade restrictions that Great Britain had placed on the United States. Additionally Americans were displeased that American merchants were being forced to joined the British Royal Navy. The United States declared the war, and there was never any clear winner.