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.
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.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 11 » Sir Barton wins the Belmont Stakes, becoming the first horse to win the U.S. Triple Crown.
June 14 » John Alcock and Arthur Whitten Brown depart from St. John's, Newfoundland on the first nonstop transatlantic flight.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
September 18 » The Netherlands gives women the right to vote.
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).
February 4 » World War II: The British Indian Army and Imperial Japanese Army begin a series of battles known as the Battle of Pokoku and Irrawaddy River operations.
February 4 » World War II: The Yalta Conference between the "Big Three" (Churchill, Roosevelt, and Stalin) opens at the Livadia Palace in the Crimea.
April 7 » World War II: The battleship Yamato, one of the two largest ever constructed, is sunk by American aircraft during Operation Ten-Go.
April 8 » World War II: After an air raid accidentally destroys a train carrying about 4,000 Nazi concentration camp internees in Prussian Hanover, the survivors are massacred by Nazis.
May 1 » World War II: Yugoslav Partisans liberate Trieste.
May 8 » Hundreds of Algerian civilians are killed by French Army soldiers in the Sétif massacre.
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.
April 13 » An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.
June 25 » Prime Minister Indira Gandhi declares a state of internal emergency in India.
September 24 » Southwest Face expedition members become the first persons to reach the summit of Mount Everest by any of its faces, instead of using a ridge route.
October 10 » Papua New Guinea joins the United Nations.
October 30 » Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
December 2 » Laotian Civil War: The Pathet Lao seizes the Laotian capital of Vientiane, forces the abdication of King Sisavang Vatthana, and proclaims the Lao People's Democratic Republic.
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 25, 2026), "Durk de Graaf (1919-1975)".
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