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U.S. Capitol is moved to Washington, D.C.
The United States Capitol officially changes locations from Philadelphia to Washington D.C. -
Thomas Jefferson Becomes President
Thomas Jefferson is elected the third president of the United States. -
The Lewis and Clark Expedition Begins
A group of volunteers and soldiers set out across the United States to explore the Louisiana Territory. -
The Louisiana Purchase
The Louisiana Territory is purchased by the U.S. from Napoleon. -
The War of 1812 Begins
The United States declares war upon great Britain in response to British aggravation of Indians and sailor impressment. -
The Missouri Compromise
A compromise is made to maintain the balance of free states to slave states. Missouri and Maine are admitted to the Union. -
Andrew Jackson Becomes President
General Andrew Jackson is elected as the seventh president of the U.S. -
Texas Becomes a State
Texas joins the union, making it the 28th state to become part of the U.S. -
The American Civil War Begins
The Confederacy and the Union go to war against each over slavery and other issues. -
The Emancipation Proclamation
President Lincoln issues the "Emancipation Proclamation" which frees all slaves in the U.S.
