It is the 134th day of the year, with only 231 days remaining.
1607 - Jamestown, Virginia is settled as an English colony.
1796 - Edward Jenner administers the first smallpox vaccination.
1804 - The Lewis and Clark Expedition departs from Cam Dubois and begins up the Missouri River.
1913 - New York Governor William Sulzer, approves the charter for the Rockefeller Foundation, which begins operations with a $100 million donation from John D. Rockefeller.
1939 - Lina Medina becomes the youngest confirmed mother in medical history at the age of five.
1948 - Israel is declared to be an independent state and a provisional government is established. Immediately after the declaration, they are attacked by the neighboring Arab states.
1963 - Kuwait joins the United Nations.
1973 - Skylab, the United States' first space station, is launched.