The temperature on July 6, 1911 was between 9.9 °C and 25.7 °C and averaged 19.1 °C. There was 13.7 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage July 29, 1941
The temperature on July 29, 1941 was between 12.4 °C and 18.5 °C and averaged 15.5 °C. There was 7.7 mm of rain during 5.3 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 29 » The North American Regional Broadcasting Agreement goes into effect at 03:00 local time.
April 27 » World War II: German troops enter Athens.
May 22 » During the Anglo-Iraqi War, British troops take Fallujah.
October 29 » The Holocaust: In the Kaunas Ghetto, over 10,000 Jews are shot by German occupiers at the Ninth Fort, a massacre known as the "Great Action".
December 8 » World War II: U.S. President Franklin D. Roosevelt declares December 7 to be "a date which will live in infamy", after which the U.S. declares war on Japan.
December 17 » World War II: Japanese forces land in Northern Borneo.
Day of death April 23, 1952
The temperature on April 23, 1952 was between 4.2 °C and 13.7 °C and averaged 9.0 °C. There was 2.9 mm of rain during 1.0 hours. There was 9.0 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 14 » NBC's long-running morning news program Today debuts, with host Dave Garroway.
January 26 » Black Saturday in Egypt: rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
July 3 » The Constitution of Puerto Rico is approved by the United States Congress.
July 19 » Opening of the Summer Olympics in Helsinki, Finland.
November 25 » Korean War: After 42 days of fighting, the Battle of Triangle Hill ends with Chinese victory, American and South Korean units abandon their attempt to capture the "Iron Triangle".
December 20 » A United States Air Force C-124 crashes and burns in Moses Lake, Washington killing 87.
Day of burial April 26, 1952
The temperature on April 26, 1952 was between 4.3 °C and 11.9 °C and averaged 8.1 °C. There was 6.8 hours of sunshine (47%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Nico Blesgraaf, "Family tree Blesgraaf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-blesgraaf/I770.php : accessed February 25, 2026), "Wilhelmus Cornelis "Wim" de Graaff (1911-1952)".
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