The temperature on September 2, 1916 was between 7.8 °C and 20.3 °C and averaged 14.6 °C. There was 0.2 mm of rain. There was 2.7 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
February 3 » The Centre Block of the Parliament buildings in Ottawa, Ontario, Canada burns down with the loss of 7 lives.
February 25 » In the Battle of Verdun, a German unit captures Fort Douaumont, keystone of the French defences, without a fight.
March 9 » Mexican Revolution: Pancho Villa leads nearly 500 Mexican raiders in an attack against the border town of Columbus, New Mexico.
August 5 » World War I: Battle of Romani: Allied forces, under the command of Archibald Murray, defeat an attacking Ottoman army under the command of Friedrich Freiherr Kress von Kressenstein, securing the Suez Canal and beginning the Ottoman retreat from the Sinai Peninsula.
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.
November 30 » Costa Rica signs the Buenos Aires Convention, a copyright treaty.
Day of marriage May 15, 1941
The temperature on May 15, 1941 was between 0.6 °C and 12.2 °C and averaged 6.3 °C. There was 6.8 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
February 23 » Plutonium is first produced and isolated by Dr. Glenn T. Seaborg.
February 25 » The outlawed Communist Party of the Netherlands organises a general strike in German-occupied Amsterdam to protest against Nazi persecution of Dutch Jews.
April 14 » World War II: German general Erwin Rommel attacks Tobruk.
April 16 » World War II: The Italian-German Tarigo convoy is attacked and destroyed by British ships.
August 31 » World War II: Serbian paramilitary forces defeat Germans in the Battle of Loznica.
November 1 » American photographer Ansel Adams takes a picture of a moonrise over the town of Hernandez, New Mexico that would become one of the most famous images in the history of photography.
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/I110577.php : accessed January 18, 2026), "Aaltje Wiersma (1916-< 2015)".
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