Major Events During the First Year of The War of 1812 By Michaelf1916 Jun 18, 1812 US Declares War Aug 16, 1812 Fort Detroit Surrenders The British forces under General Issac Brock and Tecumseh capture the American fort at Detroit. Oct 3, 1812 Battle of Queenston Heights First major battle of the war and resulted in a British victory. The British were lead by General Issac Brock who dies during the battle.
