1789 – George Washington is inaugurated as the first President of the United States of America.
1803 – Chancellor Robert Livingston and James Monroe sign Louisiana Purchase Treaty in Paris at a cost of $15 million, doubles the size of the USA.
1861 – US President Abraham Lincoln ordered Federal Troops to evacuate Indian Territory (US Civil War)
1864 – New York becomes 1st state to charge a hunting license fee.
1900 – Casey Jones dies heroically in a train wreck at Vaughn, Mississippi, while driving Cannonball Express (immortalized in “Ballard of Casey Jones”)
1904 – Ice cream cone makes it debut.
1935 – Automaker Dodge Brothers, Inc. is sold to Dillon, Read & Company for $146 million plus $50 million for charity.
1939 – New York World’s Fair opens.
1947 – Boulder Dam renamed in honor of Herbert Hoover.
1953 – Little-Bigger League changes its name to Babe Ruth League.
1961 – 1st shuttle flights between Washington, D.C., Boston & NYC begin (Eastern)
1972 – “Arthur Godfrey Time” ends a 27-year run on radio.
1974 – US President Richard Nixon hands over partial transcripts of Watergate tape recordings.
1985 – Atlanta Braves’ Dale Murphy drives in record tying 28th & 29th runs of April.
1989 – World Wide Web (WWW) is first launched in the public domain by CERN scientist Tim Berners-Lee.
1990 – US hostage Frank Reed freed after 4 years in hands of pro-Iranians.
1993 – The World Wide Web source code is released by CERN, making the software freely available to all.
1996 – US President Clinton approves the sale of $227 million of crude oil from the Strategic Petroleum Reserve; US gas prices are at their highest levels in 5 years.
2009 – Chrysler automobile company files for Chapter 11 bankruptcy.
2013 – Apple offers the largest bond offering from a private company of $17 billion.