The temperature on August 27, 1917 was between 11.0 °C and 16.5 °C and averaged 13.5 °C. There was 11.9 mm of rain. There was 3.9 hours of sunshine (28%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-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 9 » World War I: The Battle of Rafa is fought near the Egyptian border with Palestine.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
September 26 » World War I: The Battle of Polygon Wood begins.
October 26 » First World War: Brazil declares war on the Central Powers.
Day of marriage August 23, 1945
The temperature on August 23, 1945 was between 11.2 °C and 19.8 °C and averaged 14.9 °C. There was 5.9 mm of rain during 2.3 hours. There was 3.9 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
March 10 » World War II: The U.S. Army Air Force firebombs Tokyo, and the resulting conflagration kills more than 100,000 people, mostly civilians.
March 21 » World War II: Bulgaria and the Soviet Union successfully complete their defense of the north bank of the Drava River as the Battle of the Transdanubian Hills concludes.
March 27 » World War II: Operation Starvation, the aerial mining of Japan's ports and waterways begins. Argentina declares war on the Axis Powers.
April 27 » World War II: The last German formations withdraw from Finland to Norway. The Lapland War and thus, World War II in Finland, comes to an end and the Raising the Flag on the Three-Country Cairn photograph is taken.
August 23 » World War II: Soviet–Japanese War: The USSR State Defense Committee issues Decree no. 9898cc "About Receiving, Accommodation, and Labor Utilization of the Japanese Army Prisoners of War".
October 17 » A massive demonstration in Buenos Aires, Argentina, demands Juan Perón's release.
Day of death May 29, 1999
The temperature on May 29, 1999 was between 9.1 °C and 28.1 °C and averaged 19.8 °C. There was 3.2 mm of rain during 1.7 hours. There was 11.7 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
March 20 » Legoland California, the first Legoland outside of Europe, opens in Carlsbad, California, US.
June 12 » Kosovo War: Operation Joint Guardian begins when a NATO-led United Nations peacekeeping force (KFor) enters the province of Kosovo in Federal Republic of Yugoslavia.
July 31 » Discovery Program: Lunar Prospector: NASA intentionally crashes the spacecraft into the Moon, thus ending its mission to detect frozen water on the Moon's surface.
August 9 » Russian President Boris Yeltsin fires his Prime Minister, Sergei Stepashin, and for the fourth time fires his entire cabinet.
October 12 » The former Autonomous Soviet Republic of Abkhazia declares its independence from Georgia.
November 9 » TAESA Flight 725 crashes after takeoff from Uruapan International Airport in Uruapan, Michoacán, Mexico, killing all 18 people on board.
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/I123227.php : accessed January 2, 2026), "Jan Zwaagstra (1917-1999)".
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