1792 – 24 merchants form New York Stock Exchange at 70 Wall Street.
1803 – John Hawkins & Richard French patent the Reaping Machine.
1804 – Lewis & Clark begin exploration of Louisiana Purchase.
1865 – The International Telegraph Union (later the International Telecommunications Union) is established.
1875 – 1st Kentucky Derby: Oliver Lewis aboard Aristides wins in 2:37.75.
1881 – Revised version of New Testament.
1897 – The first successful submarine that can run submerged for any considerable distance and combines electric and gasoline engines is launched in the USA by its designer John Phillip Holland.
1915 – National Baptist Convention chartered.
1928 – 9th modern Olympic games opens in Amsterdam.
1939 – Radio quiz show “Information Please!” debuts on NBC Blue Network.
1946 – US President Harry Truman seizes control of nation’s railroads to delay a strike.
1959 – Sam Snead sets PGA record for 36 holes at 122.
1961 – Castro offers to exchange Bay of Pigs prisoners for 500 bulldozers.
1970 – Hank Aaron becomes 9th player to get 3,000 hits.
1973 – Senate Watergate Committee begins its hearings.
1987 – “Stardust” closes at Biltmore Theater NYC after 102 performances.
1992 – 38th Mazda LPGA Championship won by Betsy King.
1993 – Intel’s new Pentium processor is unveiled.
2001 – President Bush calls for reduced regulations to encourage more gas, oil, and nuclear production.
2004 – Massachusetts becomes the first US state to legalize same-sex marriage.