The temperature on August 20, 1943 was between 11.8 °C and 27.0 °C and averaged 20.7 °C. There was 10.5 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 18 » Warsaw Ghetto Uprising: The first uprising of Jews in the Warsaw Ghetto.
July 5 » World War II: German forces begin a massive offensive against the Soviet Union at the Battle of Kursk, also known as Operation Citadel.
July 9 » World War II: The Allied invasion of Sicily soon causes the downfall of Mussolini and forces Hitler to break off the Battle of Kursk.
July 19 » World War II: Rome is heavily bombed by more than 500 Allied aircraft, inflicting thousands of casualties.
August 17 » World War II: First Québec Conference of Winston Churchill, Franklin D. Roosevelt, and William Lyon Mackenzie King begins.
October 16 » Holocaust in Italy: Raid of the Ghetto of Rome.
Day of marriage November 11, 1971
The temperature on November 11, 1971 was between -4.5 °C and 5.4 °C and averaged 0.1 °C. There was 8.7 hours of sunshine (96%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 22 » The Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
September 9 » The four-day Attica Prison riot begins, eventually resulting in 39 dead, most killed by state troopers retaking the prison.
October 1 » The first practical CT scanner is used to diagnose a patient.
October 25 » The People's Republic of China replaces the Republic of China at the United Nations.
December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I11726.php : accessed March 6, 2026), "Jon Phillip Cowan (1943-)".
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