1848 – The dental chair was patented by M. Waldo Hanchett.
1877 – Thomas Edison wrote to the president of the Telegraph Company in Pittsburgh, Pennsylvania. The letter stated that the word, “hello” would be a more appropriate greeting than “ahoy” when answering the telephone.
1911 – The product Crisco was introduced by Procter & Gamble Company.
1914 – The Panama Canal was officially opened to commercial traffic as an American ship sailed from the Atlantic to the Pacific Ocean. The first vessel to pass through the canal was the American cargo and passenger ship SS Ancon.
1918 – Diplomatic ties between the U.S. and Russia were severed.
1939 – “The Wizard of Oz” premiered in Hollywood. Judy Garland became famous for the movie’s song “Somewhere Over the Rainbow”.
1943 – Because of his special talent to use food scraps in both unusual and appetizing recipes, the U.S. War Department awarded Sgt. Edward Dzuba the Legion of Merit.
1945 – The Allies proclaimed V-J Day a day after Japan agreed to surrender unconditionally.
1949 – In San Francisco, a stunt leap off the Golden Gate Bridge was performed for the first time.
1961 – East German workers began construction of the Berlin Wall.
1965 – The Beatles set a record for having the largest single crowd at a concert at Shea Stadium in New York. Attendance was 56,000.
1969 – The Woodstock Music and Art Fair began in Bethel, New York.. The three-day concert featured 24 bands and drew over 400,000 people. (Image: Expo-New-York-Upstate)
1975- Peter Gabriel officially announced that he was leaving the group Genesis. Phil Collins would be the new lead singer after the group auditioned more than 400 potential musicians.
1991 – Paul Simon played a free concert at New York’s Central Park in front of an estimated 750,000 people.
2001 – Astronomers announced the discovery of the first solar system outside our own. They had discovered two planets orbiting a star in the Big Dipper.