EVENTS:
- 1581 – Francis Drake is knighted for completing a circumnavigation of the world.
- 1768 – In London, Philip Astley stages the first modern circus.
- 1796 – Georges Cuvier delivers the first paleontological lecture.
- 1873 – The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
- 1905 – In India, an earthquake hits the Kangra Valley, killing 20,000, and destroying most buildings in Kangra, McLeod Ganj and Dharamsala.
- 1958 – The CND peace symbol is displayed in public for the first time in London.
- 1968 – Apollo program: NASA launches Apollo 6.
- 1968 – A.E.K. Athens B.C. becomes the first Greek team to win the European Basketball Cup.
- 1969 – Dr. Denton Cooley implants the first temporary artificial heart.
- 1973 – The World Trade Center in New York is officially dedicated.
- 1975 – Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico
- 1979 – Prime Minister Zulfikar Ali Bhutto of Pakistan is executed.
- 1983 – Space Shuttle Challenger makes its maiden voyage into space.
- 1994 – Marc Andreessen and Jim Clark found Netscape Communications Corporation under the name Mosaic Communications Corporation.
- 1996 – Comet Hyakutake is imaged by the USA Asteroid Orbiter Near Earth Asteroid Rendezvous.
- 2009 – Three police officers are shot and killed during a shootout in Pittsburgh, Pennsylvania.
- 2013 – More than 70 people are killed in a building collapse in Thane, India.
- 2017 – Syria conducts an air strike on Khan Shaykhun using chemical weapons, killing 89 civilians.
- 2020 – China holds a national day of mourning for martyrs who died in the fight against the novel coronavirus disease outbreak.
- 2023 – Finland becomes a member of NATO after Turkey accepts its membership request.
BIRTHS:
- 1826 – Zénobe Gramme, Belgian engineer, invented the Gramme machine (d. 1901)
- 1853 – Tad Lincoln, youngest son of the 16th president of the United States, Abraham Lincoln (d. 1871)
- 1869 – Mary Colter, American architect, designed the Desert View Watchtower (d. 1958)
- 1889 – Makhanlal Chaturvedi, Indian journalist, poet, and playwright (d. 1968)
- 1946 – Bubba Wyche, American football player and coach
- 1957 – Paul Downton, English cricketer
- 1962 – Kailasho Devi, Indian social worker and politician
- 1985 – Ricardo Vilar, Brazilian footballer
- 1988 – Frank Fielding, English footballer
- 1989 – Steven Finn, English cricketer
- 2003 – Harvey Elliott, English footballer
HOLIDAYS and OBSERVANCES:
