The temperature on December 24, 1921 was between -1.2 °C and 5.8 °C and averaged 1.9 °C. There was 0.1 mm of rain. There was 4.1 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of marriage May 31, 1941
The temperature on May 31, 1941 was between 8.9 °C and 19.5 °C and averaged 12.4 °C. There was 6.4 hours of sunshine (39%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
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.
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.
May 12 » Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin.
May 15 » First flight of the Gloster E.28/39 the first British and Allied jet aircraft.
June 1 » World War II: The Battle of Crete ends as Crete capitulates to Germany.
July 6 » The German army launches its offensive to encircle several Soviet armies near Smolensk.
December 1 » World War II: Emperor Hirohito of Japan gives the final approval to initiate war against the United States.
December 28 » World War II: Operation Anthropoid, the plot to assassinate high-ranking Nazi officer Reinhard Heydrich, commences.
Day of death July 18, 1972
The temperature on July 18, 1972 was between 16.8 °C and 29.8 °C and averaged 23.7 °C. There was 11.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 10 » Sheikh Mujibur Rahman returns to the newly independent Bangladesh as president after spending over nine months in prison in Pakistan.
April 13 » The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
May 8 » Vietnam War: U.S. President Richard Nixon announces his order to place naval mines in major North Vietnamese ports in order to stem the flow of weapons and other goods to that nation.
August 16 » In an unsuccessful coup d'état attempt, the Royal Moroccan Air Force fires upon Hassan II of Morocco's plane while he is traveling back to Rabat.
October 11 » A race riot occurs on the United States Navy aircraft carrier Kitty Hawk off the coast of Vietnam.
December 13 » Apollo program: Eugene Cernan and Harrison Schmitt begin the third and final extra-vehicular activity (EVA) or "Moonwalk" of Apollo 17. To date they are the last humans to set foot on the Moon.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I52266.php : accessed February 7, 2026), "Jantina Oost (1921-1972)".
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