March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » Second Boer War: British troops relieve Mafeking.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 9 » The Federation of Australia is given royal assent.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
November 7 » The People's Party is founded in Cuba.
Day of marriage April 30, 1921
The temperature on April 30, 1921 was between 6.7 °C and 20.8 °C and averaged 13.9 °C. There was 12.0 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
October 5 » The World Series is the first to be broadcast on radio.
Day of death June 21, 1962
The temperature on June 21, 1962 was between 14.8 °C and 19.0 °C and averaged 16.4 °C. There was 0.8 hours of sunshine (5%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
May 10 » Marvel Comics publishes the first issue of The Incredible Hulk.
May 19 » A birthday salute to U.S. President John F. Kennedy takes place at Madison Square Garden, New York City. The highlight is Marilyn Monroe's rendition of "Happy Birthday".
August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
September 30 » James Meredith enters the University of Mississippi, defying racial segregation rules.
October 16 » Cuban missile crisis begins: Kennedy is informed of photos taken on October 14 by a U-2 showing nuclear missiles (the crisis will last for 13 days starting from this point).
December 14 » NASA's Mariner 2 becomes the first spacecraft to fly by Venus.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I11695.php : accessed May 7, 2025), "Willem Danker (1900-1962)".
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