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.
January 22 » World War II: Australian and American forces defeat Japanese army and navy units in the bitterly fought Battle of Buna–Gona.
February 18 » World War II: Joseph Goebbels delivers his Sportpalast speech.
April 13 » World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denies responsibility.
July 23 » The Rayleigh bath chair murder occurred in Rayleigh, Essex, England.
November 18 » World War II: Battle of Berlin: Four hundred and forty Royal Air Force planes bomb Berlin causing only light damage and killing 131. The RAF loses nine aircraft and 53 air crew.
November 20 » World War II: Battle of Tarawa (Operation Galvanic) begins: United States Marines land on Tarawa Atoll in the Gilbert Islands and suffer heavy fire from Japanese shore guns and machine guns.
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
May 10 » The Northrop M2-F2 crashes on landing, becoming the inspiration for the novel Cyborg and TV series The Six Million Dollar Man.
June 23 » Cold War: U.S. President Lyndon B. Johnson meets with Soviet Premier Alexei Kosygin in Glassboro, New Jersey for the three-day Glassboro Summit Conference.
August 13 » Two young women became the first fatal victims of grizzly bear attacks in the 57-year history of Montana's Glacier National Park in separate incidents.
November 7 » Carl B. Stokes is elected as Mayor of Cleveland, Ohio, becoming the first African American mayor of a major American city.
November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
December 3 » At Groote Schuur Hospital in Cape Town, South Africa, a transplant team headed by Christiaan Barnard carries out the first heart transplant on a human (53-year-old Louis Washkansky).
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 January 6, 2026), "Gerardus Henricus Arnoldus "Ger(ry)" Opperman (1943-2023)".
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