The temperature on June 12, 1920 was between 11.2 °C and 26.2 °C and averaged 19.2 °C. There was 12.7 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
Day of death January 30, 1990
The temperature on January 30, 1990 was between 4.7 °C and 10.4 °C and averaged 8.2 °C. There was 1.2 mm of rain during 2.2 hours. There was 1.3 hours of sunshine (15%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 15 » Mikhail Gorbachev is elected as the first President of the Soviet Union.
May 18 » In France, a modified TGV train achieves a new rail world speed record of 515.3km/h (320.2mph).
June 22 » Cold War: Checkpoint Charlie is dismantled in Berlin.
July 2 » In the 1990 Mecca tunnel tragedy, 1,400 Muslim pilgrims are suffocated to death and trampled upon in a pedestrian tunnel leading to the holy city of Mecca.
July 27 » The Jamaat al Muslimeen attempt a coup d'état in Trinidad and Tobago.
August 23 » Armenia declares its independence from the Soviet Union.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I220173.php : accessed February 25, 2026), "Petrus Jacobus Heerkens (1920-1990)".
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