EVENTS:
- 1900 – Hawaii becomes a United States territory.
- 1907 – Norway grants women the right to vote.
- 1937 – Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
- 1949 – Albert II, a rhesus monkey, rides a V2 rocket to an altitude of 134 km (83 mi), thereby becoming the first monkey in space.
- 1962 – The European Space Research Organisation is established in Paris – later becoming the European Space Agency.
- 1967 – Mariner program: Mariner 5 is launched towards Venus.
- 1994 – The 1994 Stanley Cup riot occurs after the New York Rangers win the Stanley Cup from Vancouver, causing an estimated CA$1.1 million, leading to 200 arrests and injuries.
- 2015 – A wildfire near Willow, Alaska in the Matanuska-Susitna Borough burns over 6,500 acres.
- 2017 – A fire in a high-rise apartment building in North Kensington, London, England leaves at least 79 people dead and another 74 injured.
- 2017 – US Republican House Majority Whip Steve Scalise of Louisiana, and three others, are shot and wounded while practicing for the annual Congressional Baseball Game.
BIRTHS:
- 1444 – Nilakantha Somayaji, Indian astronomer and mathematician (d. 1544)
- 1868 – Karl Landsteiner, Austrian biologist and physician, Nobel Prize laureate (d. 1943)
- 1899 – Yasunari Kawabata, Japanese author, Nobel Prize laureate (d. 1972)
- 1940 – Ben Davidson, American football player and actor (d. 2012)
- 1967 – Kumar Mangalam Birla, Indian businessman
- 1971 – Ramon Vega, Swiss footballer
- 1972 – Matthias Ettrich, German computer scientist, founded KDE
- 1983 – John Stocco, American football player
- 1986 – Jonathan Clare, English cricketer
- 2000 – RJ Barrett, Canadian basketball player
- 2000 – Naomi Girma, American soccer player
HOLIDAYS and OBSERVANCES:
