The temperature on April 15, 1919 was between 4.9 °C and 9.6 °C and averaged 6.9 °C. There was 5.7 mm of rain. There was 1.8 hours of sunshine (13%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
May 8 » Edward George Honey proposes the idea of a moment of silence to commemorate the Armistice of 11 November 1918 which ended World War I.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
August 11 » Germany's Weimar Constitution is signed into law.
December 3 » After nearly 20 years of planning and construction, including two collapses causing 89 deaths, the Quebec Bridge opens to traffic.
Day of marriage May 11, 1945
The temperature on May 11, 1945 was between 12.4 °C and 28.3 °C and averaged 20.5 °C. There was 8.3 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
March 19 » World War II: Off the coast of Japan, a dive bomber hits the aircraft carrier USSFranklin, killing 724 of her crew. Badly damaged, the ship is able to return to the US under her own power.
March 26 » World War II: The Battle of Iwo Jima ends as the island is officially secured by American forces.
April 4 » World War II: American troops capture Kassel.
April 12 » World War II: The U.S. Ninth Army under General William H. Simpson crosses the Elbe River astride Magdeburg, and reached Tangermünde—only 50 miles from Berlin.
June 26 » The United Nations Charter is signed by 50 Allied nations in San Francisco, California.
September 5 » Cold War: Igor Gouzenko, a Soviet Union embassy clerk, defects to Canada, exposing Soviet espionage in North America, signalling the beginning of the Cold War.
Day of death November 25, 1975
The temperature on November 25, 1975 was between -3.4 °C and 3.8 °C and averaged 0.6 °C. There was 1.8 mm of rain during 5.0 hours. There was 1.3 hours of sunshine (16%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 6 » Algiers Accord: Iran and Iraq announce a settlement of their border dispute.
June 1 » The Patriotic Union of Kurdistan was founded by Jalal Talabani, Nawshirwan Mustafa, Fuad Masum and others.
September 5 » Sacramento, California: Lynette Fromme attempts to assassinate U.S. President Gerald Ford.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
September 16 » The first prototype of the Mikoyan MiG-31 interceptor makes its maiden flight.
October 22 » The Soviet unmanned space mission Venera 9 lands on Venus.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I136855.php : accessed October 23, 2026), "Durk de Graaf (1919-1975)".
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