The temperature on September 23, 1943 was between 1.9 °C and 16.5 °C and averaged 10.0 °C. There was 0.1 mm of rain. There was 9.3 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 18 » World War II: The Nazis arrest the members of the White Rose movement.
July 1 » The City of Tokyo and the Prefecture of Tokyo are both replaced by the Tokyo Metropolis.
July 22 » World War II: Allied forces capture Palermo during the Allied invasion of Sicily.
August 2 » World War II: The Motor Torpedo Boat PT-109 is rammed by the Japanese destroyer Amagiri and sinks. Lt. John F. Kennedy, future U.S. president, saves all but two of his crew.
October 14 » World War II: Prisoners at the Sobibór extermination camp in Poland revolt against the Germans.
December 24 » World War II: U.S. General Dwight D. Eisenhower is named Supreme Allied Commander for the Invasion of Normandy.
Day of marriage November 24, 1967
The temperature on November 24, 1967 was between 1.8 °C and 3.8 °C and averaged 3.0 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 2 » Ronald Reagan, past movie actor and future President of the United States, is sworn in as Governor of California.
May 30 » The Nigerian Eastern Region declares independence as the Republic of Biafra, sparking a civil war.
September 10 » The people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.
September 20 » RMSQueen Elizabeth 2 is launched Clydebank, Scotland.
October 10 » The Outer Space Treaty comes into force.
December 21 » Louis Washkansky, the first man to undergo a human-to-human heart transplant, dies in Cape Town, South Africa, having lived for 18 days after the transplant.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I700.php : accessed February 21, 2026), "Gerardus Henricus Arnoldus "Ger(ry)" Opperman (1943-2023)".
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