The temperature on March 23, 1915 was between 5.7 °C and 12.4 °C and averaged 9.0 °C. There was 1.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
October 14 » World War I: Bulgaria joins the Central Powers.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage August 14, 1937
The temperature on August 14, 1937 was between 15.5 °C and 18.1 °C and averaged 16.7 °C. There was 4.7 mm of rain during 1.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 20 » Franklin D. Roosevelt and John Nance Garner are sworn in for their second terms as U.S. President and U.S. Vice President; it is the first time a Presidential Inauguration takes place on January 20 since the 20th Amendment changed the dates of presidential terms.
May 28 » Volkswagen, the German automobile manufacturer is founded.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
Day of death July 20, 1990
The temperature on July 20, 1990 was between 11.0 °C and 27.7 °C and averaged 20.0 °C. There was 12.8 hours of sunshine (79%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 7 » A fire breaks out on the passenger ferry Scandinavian Star, killing 159 people.
April 7 » Iran–Contra affair: John Poindexter is found guilty of five charges for his part in the scandal (the conviction is later reversed on appeal).
July 27 » The Supreme Soviet of the Belarusian Soviet Republic declares independence of Belarus from the Soviet Union. Until 1996 the day is celebrated as the Independence Day of Belarus; after a referendum held that year the celebration of independence is moved to June 3.
August 23 » Saddam Hussein appears on Iraqi state television with a number of Western "guests" (actually hostages) to try to prevent the Gulf War.
November 15 » The Communist People's Republic of Bulgaria is disestablished and a new republican government is instituted.
December 22 » Lech Wałęsa is elected President of Poland.
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/I124905.php : accessed February 19, 2026), "Siebe Boomsma (1915-1990)".
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