The temperature on November 6, 1911 was between 4.8 °C and 10.6 °C and averaged 7.7 °C. There was 16.2 mm of rain. There was 2.8 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
September 29 » Italy declares war on the Ottoman Empire.
October 5 » The Kowloon–Canton Railway commences service.
Day of marriage March 30, 1940
The temperature on March 30, 1940 was between 0.1 °C and 4.8 °C and averaged 3.0 °C. There was 3.0 mm of rain during 5.7 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
May 24 » Acting on the orders of Soviet leader Joseph Stalin, NKVD agent Iosif Grigulevich orchestrates an unsuccessful assassination attempt on exiled Russian revolutionary Leon Trotsky in Coyoacán, Mexico.
May 28 » World War II: Belgium surrenders to Nazi Germany to end the Battle of Belgium.
June 12 » World War II: Thirteen thousand British and French troops surrender to Major General Erwin Rommel at Saint-Valery-en-Caux.
November 5 » World War II: The British armed merchant cruiser, HMSJervis Bay, is sunk by the German pocket battleship Admiral Scheer.
November 9 » Warsaw is awarded the Virtuti Militari.
November 13 » Walt Disney's animated musical film Fantasia is first released, on the first night of a roadshow at New York's Broadway Theatre.
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/I189268.php : accessed February 13, 2026), "Geert Boonstra (1911-)".
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