March 1 » Henri Becquerel discovers radioactive decay.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of marriage March 20, 1920
The temperature on March 20, 1920 was between 2.7 °C and 13.8 °C and averaged 8.1 °C. There was 4.7 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
January 28 » Foundation of the Spanish Legion.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 14 » The League of Women Voters is founded in Chicago.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
Day of death June 30, 1990
The temperature on June 30, 1990 was between 14.0 °C and 24.3 °C and averaged 18.2 °C. There was 3.4 mm of rain during 0.8 hours. There was 3.5 hours of sunshine (21%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » David Dinkins is sworn in as New York City's first black mayor.
May 20 » The first post-Communist presidential and parliamentary elections are held in Romania.
June 22 » Cold War: Checkpoint Charlie is dismantled in Berlin.
July 6 » The Electronic Frontier Foundation is founded.
July 27 » The Jamaat al Muslimeen attempt a coup d'état in Trinidad and Tobago.
September 12 » The Red Cross organizations of mainland China and Taiwan sign Kinmen Agreement on repatriation of illegal immigrants and criminal suspects after two days of talks in Kinmen, Fujian Province in response to the two tragedies in repatriation in the previous two months. It is the first agreement reached by private organizations across the Taiwan Strait.
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/I44647.php : accessed May 3, 2025), "Hinderkien Pierweijer (Santing) (1896-1990)".
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