1493 Christopher Columbus arrives at the Caribbee Isles (Dominica) during his second expedition.

1507 Leonardo da Vinci is commissioned to paint Lisa Gherardini ("Mona Lisa").

1529 The first parliament for five years opens in England and the Commons put forward bills against abuses amongst the clergy and in the church courts.

1868 Ulysses S. Grant elected the 18th president of the United States.

1883 The U.S. Supreme Court declares American Indians to be "dependent aliens."

1892 First automatic telephone exchange goes into operation in La Porte, Indiana.

1896 William McKinley is elected 25th president of the United States.

1921 Milk drivers on strike dump thousands of gallons of milk onto New York City's streets.

1957 The Soviet Union launches Sputnik II with the dog Laika, the first animal in space, aboard.

1964 For the first time residents of Washington, D.C., are allowed to vote in a presidential election.

1964 Lyndon B. Johnson is elected the 36th president of the United States.

1973 NASA launches Mariner 10, which will become the first probe to reach Mercury.

1979 Ku Klux Klansmen and neo-Nazis kill 5 and wound 7 members of the Communist Workers Party during a "Death to the Klan" rally in Greensboro, NC; the incident becomes known as the Greensboro Massacre.

1983 Jesse Jackson announces his candidacy for the office of president of the United States.

1992 Arkansas Governor Bill (William Jefferson) Clinton is elected 42nd president of the United States.

1997 US imposes economic sanctions against Sudan in response to human rights abuses and support of Islamic extremist groups.