June 18, 1812: The day after the Senate followed the House
of Representatives in voting to declare war against Great
Britain, President James Madison signed the declaration
into law—and the War of 1812 began.

   
With an American victory on Lake Champlain, on December
24, 1814, the Treaty of Ghent was signed, formally ending
the War of 1812.

James Madison (1750 – 1836) 

Madison served as the fourth president of the United
States from 1809 to 1817.

He had pivotal role in drafting and promoting the
Constitution of the United States and the Bill of
Rights.