The temperature on August 11, 1920 was between 12.3 °C and 19.4 °C and averaged 15.1 °C. There was 3.4 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
Day of marriage November 11, 1943
The temperature on November 11, 1943 was between 2.1 °C and 11.4 °C and averaged 7.1 °C. There was 1.1 mm of rain during 1.4 hours. There was 1.8 hours of sunshine (20%). 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.
March 13 » German forces liquidate the Jewish ghetto in Kraków.
September 6 » The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.
September 23 » World War II: The Nazi puppet state known as the Italian Social Republic is founded.
November 24 » World War II: At the battle of Makin the USSLiscome Bay is torpedoed near Tarawa and sinks, killing 650 men.
December 4 » World War II: U.S. President Franklin D. Roosevelt closes down the Works Progress Administration, because of the high levels of wartime employment in the United States.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
Day of death April 13, 2001
The temperature on April 13, 2001 was between -1.5 °C and 8.0 °C and averaged 3.8 °C. There was -0.1 mm of rain. There was 6.4 hours of sunshine (47%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
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/I112731.php : accessed October 11, 2026), "Pieterke Bouma (1920-2001)".
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