1797 – Charles Newbold patents 1st cast iron plow, thought farmers fear effects of iron on soil.
1848 – 1st pure food law enacted in US.
1870 – 1st section of Atlantic City (NJ) Boardwalk opens.
1900 – Dr. Walter Reed begins research that beats Yellow Fever.
1916 – Cleveland Indians experiment with numbers on their jerseys (one game)
1917 – 1st US troops arrive in France during World War I.
1924 – Ziegfeld Follies opens on Broadway.
1934 – FDR signs Federal Credit Union Act, establishing Credit Unions.
1945 – United Nations Charter signed by 50 nations in San Francisco.
1948 – US begins airlift “Operation Vittles” to West Berlin.
1959 – Queen Elizabeth & President Eisenhower open St. Lawrence Seaway.
1968 – Iwo Jima & Bonin Islands returned to Japan by US.
1971 – “Man of La Mancha” closes at ANTA Washington Square Theater NYC after 2329 performances.
1974 – The Universal Product Code is scanned for the first time to sell a package of Wrigley’s chewing gum at the Marsh Supermarket in Troy, Ohio.
1984 – 1st flight of Shuttle Discovery (41-D) scrubbed at T -4.
1990 – 8 Kansas and Oklahoma radio stations boycott k d lang, due to her anti-meat ad.
1993 – The U.S. launches a cruise missile attack targeting Baghdad intelligence headquarters in retaliation for a thwarted assassination attempt against former President George H.W. Bush in April in Kuwait.
2003 – NBA Draft: St. Vincent-St. Mary HS (Akron, Ohio) small forward LeBron James first pick by Cleveland Cavaliers.
2015 – US Supreme Court rules 5-4 same-sex marriage is a legal right across all US states.
2019 – Two US Florida towns pay hackers considerable ransom to unfreeze their computer systems; Riviera Beach $600,000 and Lake City $500,000.