Get a quick and clear explanation of the American Civil War in just one minute! Learn about the key events, causes, and outcomes that shaped US history during this pivotal conflict.

There is no shortage of firsts, lasts, onlys, mosts and nevers in White House history. But there are plenty of surprises.

Sept. 25, 1789, the first U.S. Congress approved 12 amendments to the Constitution and sent them off to the states for ratification.