Edwin Drake drilled the first successful U.S. oil well near Titusville, Pa.
A massive volcanic eruption on the island of Krakatoa blew up most of the island and resulted in tsunamis that killed over 36,000 people.
The Kellogg-Briand Pact, outlawing war, was signed.
U.S. troops began landing in Japan after Japan's surrender in World War II.
The U.S. launched the Mariner II space probe.
Mars made its closest approach to earth in 60,000 years.