The temperature on November 17, 1918 was between -5.1 °C and 2.1 °C and averaged -1.6 °C. There was 5.1 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
May 14 » Cape Town Mayor, Sir Harry Hands, inaugurates the Two-minute silence.
June 26 » World War I: Allied forces under John J. Pershing and James Harbord defeat Imperial German forces under Wilhelm, German Crown Prince in the Battle of Belleau Wood.
July 6 » The Left SR uprising in Russia starts with the assassination of German ambassador Wilhelm von Mirbach by Cheka members.
July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
November 1 » Western Ukraine separates from Austria-Hungary.
Day of marriage December 21, 1940
The temperature on December 21, 1940 was between -7.3 °C and -1.4 °C and averaged -5.3 °C. There was 6.7 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 13 » World War II: Germany's conquest of France begins as the German army crosses the Meuse. Winston Churchill makes his "blood, toil, tears, and sweat" speech to the House of Commons.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
June 7 » King Haakon VII, Crown Prince Olav and the Norwegian government leave Tromsø and go into exile in London. They return exactly five years later.
July 19 » World War II: Battle of Cape Spada: The Royal Navy and the Regia Marina clash; the Italian light cruiser Bartolomeo Colleoni sinks, with 121 casualties.
August 30 » The Second Vienna Award reassigns the territory of Northern Transylvania from Romania to Hungary.
September 27 » World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.
Day of death July 1, 1989
The temperature on July 1, 1989 was between 13.7 °C and 18.5 °C and averaged 15.7 °C. There was 8.1 mm of rain during 3.8 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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 6 » Satwant Singh and Kehar Singh are sentenced to death for conspiracy in the assassination of Prime Minister Indira Gandhi; the two men are executed the same day.
April 7 » Soviet submarine Komsomolets sinks in the Barents Sea off the coast of Norway killing 42 sailors.
June 4 » Ali Khamenei is elected as the new Supreme Leader of the Islamic Republic of Iran by the Assembly of Experts after the death and funeral of Ayatollah Ruhollah Khomeini.
September 11 » Hungary announces that the East German refugees who had been housed in temporary camps were free to leave for West Germany.
November 16 » El Salvadoran army troops kills six Jesuit priests and two others at Jose Simeon Canas University.
December 15 » Second Optional Protocol to the International Covenant on Civil and Political Rights relating the abolition of capital punishment is adopted.
When copying data from this family tree, please include a reference to the origin: Jo IJzerman, "Family tree IJzerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ijzerman/I795.php : accessed February 19, 2026), "Willem IJzerman (1918-1989)".
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