1809 – Poet Alfred Tennyson (The Charge of the Light Brigade, In Memoriam, The Lady of Shalott, The Lotuseaters, The Idylls of the King, Maud, Enoch Arden, Locksley Hall Sixty Years After) was born in Somersby, Lincolnshire, England.
1881 – Sir Alexander Fleming, who discovered penicillin, was born in Lochfield, Scotland.
1911 – Actress – comedian Lucille Ball was born in Jamestown, New York.
1928 – Artist Andy Warhol was born in Pittsburgh, Pennsylvania.
1930 – Judge Joseph Crater, a 41-year-old New York Supreme Court Justice, disappeared after leaving a New York City restaurant and was never seen or heard from again. It remains New York City’s longest-running unsolved missing-persons case.
1945 – More than 200,000 civilians died from the explosion and/or radiation after an American B-29 bomber, the Enola Gay, dropped an atomic bomb over the center of Hiroshima, Japan. It was the first time an atomic bomb had been dropped over a populated place and the first time a nuclear weapon had been used in warfare.
1996 – NASA Administrator Daniel S. Goldin announced the possibility that a primitive form of microscopic life may have existed on Mars more than three billion years ago. The evidence came from a fossil found on a meteorite in Antarctica believed to have come from Mars billions of years ago.