Although born to Virginia aristocracy, William Henry Harrison, the ninth US president, spent much of his life in the military in the Northwest Territory. He famously defeated the Indian chief Tecumseh at the Battle of Tippecanoe. He has the distinction of serving the shortest time in office: less than a month. He developed pneumonia and became the first president to die in office
The War of 1812 was the result of rising tensions between the United States and Great Britain during the early years of the 19th century including the frequent impressment of sailors from American ships, interference with trade, and the belief that the British were encouraging Native American attacks on the frontier.
The Shawnee Prophet Tenskwatawa (1775-1836, shown) is said to have predicted the New Madrid earthquake of 1812, although some (especially Allen Eckert) have attributed the prophetic powers to his brother Tecumseh (1768-1813).