1811
Amerindian warrior stands inside a fort
Source: Michael Karpelson (Team 22916)
November 7: The Battle of Tippecanoe. The Amerindian warriors suffer a major defeat after attacking the American forces.
1812
April 21: Conditional repeal of Orders in Council
-- Attempting to avert the war, the British parliament temporarily repeals the Orders in Council.
June 18: The Unites States declares war on Great Britain. President Madison lists the following causes:
- Impressment of American citizens into the British navy
- British ships stopping and searching American vessels
- British naval blockade, by which United States' "commerce had been plundered in every sea"
- British Orders in Council
- British inciting of Amerindians against the United States
June 23: Complete repeal of Orders in Council -- Britain still hopes that a war can be avoided.

American troops firing
Source: Michael Karpelson (Team 22916)
July 12: Brigadier General William Hull enters Canada. The American general lead a force of over 2000 American regulars and militia to Detroit. On July 12, Hull occupied the town of Sandwich, initiating the first American invasion of Canada.

British troops march by
Source: Michael Karpelson (Team 22916)
July 17: Fort Michilimackinac surrenders to the British. British forces lead by Captain Roberts land on Michilimackinac Island, and American Lieutenant Porter Hanks surrenders without battle, for fear that otherwise, the Amerindians allied with the British would slaughter everyone in the fort. American fear of Indian cruelty often had impact on the outcome of battles.

General William Hull surrenders to General Isaac Brock at Detroit
Source: The War of 1812, by Peter I. Bosco
August 16: Hull surrenders to Major General Isaac Brock at Detroit. When General Hull heard of Brock's advancing army, he took his forces back over the river to Detroit. After a bombardment of Detroit, Brock's forces marched directly for the American fort. Previously, the Amerindians under the command of Chief Tecumseh were marched repeatedly through the same forest clearing, convincing the American sentinels that there were no less than 2000 Indians present. Once again, desperately afraid, General Hull surrendered the fort and everything else in his command.

"Constitution" captures the "Guerriere"
Source: The War of 1812, by Peter I. Bosco
August 20: U.S.S. "Constitution" captures the H.M.S. "Guerriere"
American soldiers and artillery with British lines visible through the smoke in the background
Source: J. T. Keigher
October 13: The Battle of Queenston Heights ensues at the British village of Queenston on the Niagara frontier. General Isaac Brock is killed.
October 18: U.S.S. "Wasp" captures H.M.S. "Frolic", only to be captured by H.M.S. "Poictiers"

Map of the 1812 theatre of war
Source: Team 22916
November 10: Commodore Isaac Chancey gains control of Lake Ontario. Isaac Chauncey of the United States Navy had, by November 8, seven warships under his command. His fleet dominated the lake, while the British fleet under James Yeo stayed in the safety of Kingston Harbor.

December 29: U.S.S. "Constitution" captures H.M.S. "Java"
December 29: Paul Hamilton resigns as Secretary of the U.S. Navy