March 23, 1839 – The initials “O.K.” are first published in the Boston Morning Post
March 16, 1850 – “The Scarlet Letter” by Nathaniel Hawthorne is published
April 13, 1870 – The Metropolitan Museum of Art opens in New York City
May 20, 1873 – Levi Strauss and Jacob Davis receive patent for blue jeans
May 24, 1883 – The Brooklyn Bridge officially opens, connecting New York and Brooklyn
May 31, 1889 – The South Fork Dam collapses, causing the Johnstown Flood
April 19, 1897 – The first ever Boston Marathon is held
March 27, 1912 – The first Japanese Cherry trees are planted along the Potomac
March 28, 1915 – The first American citizen is killed during the First World War
April 2, 1917 – Jeannette Rankin takes her seat as the first woman ever elected to Congress
May 25, 1935 – At Forbes Field, Babe Ruth hits his 714th, and final, home run of his career
March 24, 1955 – “Cat on a Hot Tin Roof” opens in New York
March 19, 1957 – Elvis Presley puts a down payment on Graceland
April 1, 1963 – ABC airs the premier episode of “General Hospital”
April 17, 1964 – The Ford Mustang is unveiled at the World’s Fair in Flushing Meadows
April 4, 1975 – Bill Gates and Paul Allen found Microsoft
April 3, 1978 – “Annie Hall” beats out “Star Wars” for Best Picture
March 21, 1980 – The famous “Dallas” cliffhanger airs, leaving America wondering “Who shot J.R.?”
April 20, 1986 – Michael Jordan scores 63 points in a playoff game against the Boston Celtics
April 25, 1990 – The Hubble Space telescope is placed in orbit
March 1, 1994 – Selena won her first GRAMMY for Best Mexican-American Album
March 2, 1995 – Yahoo, founded by Jerry Yang and David Filo, was incorporated.
March 31, 1999 – “The Matrix” is released in theaters