The temperature on June 21, 1920 was between 10.2 °C and 20.4 °C and averaged 15.6 °C. There was 10.3 mm of rain. There was 7.2 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 19 » The United States Senate votes against joining the League of Nations.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
October 30 » The Communist Party of Australia is founded in Sydney.
Day of death October 20, 1943
The temperature on October 20, 1943 was between 8.5 °C and 15.8 °C and averaged 11.7 °C. There was 6.1 mm of rain during 5.5 hours. There was 4.8 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 11 » The Republic of China agrees to the Sino-British New Equal Treaty and the Sino-American New Equal Treaty.
January 24 » World War II: Franklin D. Roosevelt and Winston Churchill conclude a conference in Casablanca.
September 7 » World War II: The German 17th Army begins its evacuation of the Kuban bridgehead (Taman Peninsula) in southern Russia and moves across the Strait of Kerch to the Crimea.
November 15 » The Holocaust: German SS leader Heinrich Himmler orders that Gypsies are to be put "on the same level as Jews and placed in concentration camps".
November 22 » World War II: Cairo Conference: U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Chinese Premier Chiang Kai-shek meet in Cairo, Egypt, to discuss ways to defeat Japan.
December 28 » World War II: After eight days of brutal house-to-house fighting, the Battle of Ortona concludes with the victory of the 1st Canadian Infantry Division over the German 1st Parachute Division and the capture of the Italian town of Ortona.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I648.php : accessed January 26, 2026), "Johannes Adrianus Kalksma (1920-1943)".
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