The temperature on April 13, 1916 was between 6.3 °C and 10.7 °C and averaged 8.0 °C. There was 3.7 mm of rain. There was 4.7 hours of sunshine (34%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 29 » World War I: Paris is first bombed by German zeppelins.
March 16 » The 7th and 10th US cavalry regiments under John J. Pershing cross the US–Mexico border to join the hunt for Pancho Villa.
August 27 » World War I: The Kingdom of Romania declares war on Austria-Hungary, entering the war as one of the Allied nations.
September 8 » In a bid to prove that women were capable of serving as military dispatch riders, Augusta and Adeline Van Buren arrive in Los Angeles, completing a 60-day, 5,500 mile cross-country trip on motorcycles.
September 11 » The Quebec Bridge's central span collapses, killing 11 men. The bridge previously collapsed completely on August 29, 1907.
October 16 » Margaret Sanger opens the first family planning clinic in the United States.
Day of death April 12, 1964
The temperature on April 12, 1964 was between 3.4 °C and 9.8 °C and averaged 7.8 °C. There was 7.4 mm of rain during 10.3 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 1 » The Beatles have their first number one hit in the United States with "I Want to Hold Your Hand".
February 10 » Melbourne–Voyager collision: The aircraft carrier HMASMelbourne collides with and sinks the destroyer HMASVoyager off the south coast of New South Wales, Australia, killing 82.
April 26 » Tanganyika and Zanzibar merge to form Tanzania.
May 2 » First ascent of Shishapangma, the fourteenth highest mountain in the world and the lowest of the Eight-thousanders.
August 1 » The former Belgian Congo is renamed the Democratic Republic of the Congo.
September 13 » South Vietnamese Generals Lâm Văn Phát and Dương Văn Đức fail in a coup attempt against General Nguyễn Khánh.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I7559.php : accessed January 25, 2026), "Petronella de Graaff (1916-1964)".
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