1789 – US Department of Foreign Affairs, renamed Department of State.
1887 – Philadelphia celebrates 100th anniversary of US Constitution.
1913 – 1st US milch goat show held, Rochester, NY.
1928 – Scottish bacteriologist Alexander Fleming discovers penicillin while studying influenza.
1938 – Only time brothers hit back-to-back homers (Lloyd & Paul Waner, Pittsburgh)
1942 – US aircraft carrier Wasp torpedoed at Guadalcanal.
1944 – US 1st infantry division pushes through to Westwall.
1949 – “Lone Ranger” premieres on ABC-TV. Hi-yo, Silver! Away!
1951 – “Gentlemen Prefer Blonds” closes at Ziegfeld NYC after 740 performances.
1958 – Commuter train crashes through drawbridge, killing 48 in Elizabethport, New Jersey.
1961 – 61st US Golf Amateur Championship won by Jack Nicklaus, age 21.
1966 – U.S. President Lyndon B. Johnson, responding to a sniper attack at the University of Texas at Austin, writes a letter to the United States Congress urging the enactment of gun control legislation.
1970 – Decca awards Bing Crosby a second platinum disc for selling 300 million records.
1978 – Dodgers become 1st major league team to draw 3 million fans.
1981 – The John Bull becomes the oldest operable steam locomotive in the world when the Smithsonian Institution operates it under its own power outside Washington, D.C.
1985 – Ryder Cup Golf, The Belfry: Europe beats US, 16 1/2-11 1/2, sole loss in 50 years: Sam Torrence clinches for Europe beating Andy North, 1 up.
1996 – Texas Rangers retire their 1st number, Nolan Ryan’s #34.
1997 – Google.com is registered as a domain name.
2014 – President Obama announces the US will send 3,000 troops to help combat spread of the Ebola virus.
2020 – Scientific American issues its 1st ever presidential endorsement in 175 years by backing Joe Biden.
2020 – Family of Breonna Taylor announce $12 million wrongful death settlement with city of Louisville, Kentucky, after her death in botched police raid March 13.