In 1971, the Capitol Limited left Union Station in Washington for the last time. The Baltimore and Ohio Railroad's luxury passenger train had been in service since 1923, but it was discontinued by the B&O with the formation of Amtrak. Above, trainman Gilbert Goegel removes a sign from the observation car. (Baltimore Sun file photo)
1789: George Washington took office in New York as the first president of the United States.
1803: The U.S. bought the Louisiana Territory from France for 60 million francs, the equivalent of about $15 million.
1947: President Harry Truman signed a measure changing the name of Boulder Dam to Hoover Dam.
Compiled by Laura Lefavor and Paul McCardell.