War of 1812 begins | June 18, 1812 | HISTORY

June 18, 1812: The day after the Senate followed the House of Representatives in voting to declare war against Great Britain, President James Madison signs the declaration into law—and the War of 1812 begins. The American war declaration, opposed by a sizable minority in Congress, had been called in response to the British economic blockade of France, the induction of American seaman into the British Royal Navy against their will, and the British support of Indian tribes along the Great Lakes frontier. A faction of Congress known as the “War Hawks” had been advocating war with Britain for several years and had not hidden their hopes that a U.S. invasion of Canada might result in significant territorial land gains for the United States.