OnThisDay: May 7th
1789 - First US presidential inaugural ball (for George Washington; in New York City, NY)
1824 - Beethoven's 9th (Chorale) Symphony, premiered in Vienna
1847 - American Medical Association (AMA) organized in Philadelphia, PA.
1888 - George Eastman patented the "Kodak box camera"
1912 - Columbia University approved plans for awarding the Pulitzer Prize in several categories
1914 - US Congress established Mother's Day holiday
1915 - Lusitania sunk by German submarine; 1198 lives lost
1970 - Beatles "Long & Winding Road" released; becomes their last American release
1975 - US President Gerald R. Ford declared an end to "Vietnam Era"
1982 - IBM released PC-DOS version 1.1

OnThisDay: February 15th
1879 - Congress authorized women lawyers to practice before the US Supreme Court
1922 - Marconi began regular broadcasting transmissions from Essex, England
1929 - St. Valentine's Day massacre in Chicago, IL.
1933 - US President-elect Franklin Roosevelt survived an assassination attempt
1944 - 891 British bombers attacked Berlin
1950 - Walt Disney's "Cinderella" released
1964 - The Beatles' album "Meet the Beatles!" went to #1 & stayed #1 for 11 weeks
1971 - After 1200 years, Britain abandoned 12-shilling system for decimal system
1984 - 500,000 Iranian soldiers invaded Iraq
1989 - Soviet military occupation of Afghánistán ended
1995 - Dow Jones closed at a record 3986.17