April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
June 17 » The United States Navy Hospital Corps is established.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
September 13 » Hannibal Goodwin patents celluloid photographic film.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage April 21, 1921
The temperature on April 21, 1921 was between 2.2 °C and 11.1 °C and averaged 6.7 °C. There was 0.6 mm of rain. There was 2.5 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
Day of death October 11, 1982
The temperature on October 11, 1982 was between 8.3 °C and 12.4 °C and averaged 10.7 °C. There was 1.2 mm of rain during 3.7 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
In The Netherlands , there was from Saturday, May 29, 1982 to Thursday, November 4, 1982 the cabinet Van Agt III, with Mr. A.A.M. van Agt (CDA) as prime minister.
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 4 » Twenty sailors are killed when the British Type 42 destroyer HMSSheffield is hit by an Argentinian Exocet missile during the Falklands War.
June 24 » British Airways Flight 9 flies into a cloud of volcanic ash thrown up by the eruption of Mount Galunggung, resulting in the failure of all four engines.
July 4 » Three Iranian diplomats and a journalist are kidnapped in Lebanon by Phalange forces, and their fate remains unknown.
October 1 » Epcot opens at Walt Disney World in Florida.
October 8 » Cats opens on Broadway and runs for nearly 18 years before closing on September 10, 2000.
December 7 » In Texas, Charles Brooks, Jr., becomes the first person to be executed by lethal injection in the United States.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I102280.php : accessed October 13, 2026), "Anne Koop (1898-1982)".
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