1849 Elizabeth Blackwell becomes the first woman in America to receive a medical degree.
1973 President Nixon announces an accord has been reached to end the Vietnam War.
1848 James W. Marshall discover gold at Sutter's Mill in northern California, sparking a gold rush.
1984 The first Apple Macintosh computers go on sale for $2,495.00 - and revolutionize the personal computer industry.
1915 Alexander Graham Bell makes a call from New York to San Francisco, inaugurating transcontinental telephone service.
1961 President John F. Kennedy holds the first live televised presidential news conference. Click here to watch.
1861 Louisiana secedes from the Union.
1970 Navy Lt. Everett Alvarez Jr., the first American aviator shot down over North Vietnam, spends his 2,000th day as a prisoner of war.
1785 Georgia becomes the first state to charter a state-supported university, the University of Georgia.
1967 Astronauts Gus Grissom, Edward White, and Roger Chaffee die in a fire aboard their Apollo I spacecraft at Cape Canaveral, Florida.
|Chaffee, White, and Grissom|
1878 The first commercial telephone exchange is installed in New Haven, Connecticut, serving 21 subscribers with eight lines.
1986 The space shuttle Challenger explodes 73 seconds after liftoff from Cape Canaveral.
1861 Kansas becomes the thirty-fourth state.
1900 The American League is organized in Philadelphia with eight baseball teams.