The temperature on July 18, 1942 was between 12.0 °C and 19.4 °C and averaged 14.9 °C. There was 6.1 mm of rain during 2.5 hours. There was 2.6 hours of sunshine (16%). 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.
February 20 » Lieutenant Edward O'Hare becomes America's first World War II flying ace.
April 3 » World War II: Japanese forces begin an assault on the United States and Filipino troops on the Bataan Peninsula.
May 8 » World War II: The German 11th Army begins Operation Trappenjagd (Bustard Hunt) and destroys the bridgehead of the three Soviet armies defending the Kerch Peninsula.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
August 25 » World War II: Second day of the Battle of the Eastern Solomons; a Japanese naval transport convoy headed towards Guadalcanal is turned back by an Allied air attack.
September 7 » World War II: Japanese marines are forced to withdraw during the Battle of Milne Bay.
Day of marriage May 18, 1966
The temperature on May 18, 1966 was between 10.7 °C and 19.2 °C and averaged 13.7 °C. There was 3.9 hours of sunshine (25%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 23 » In Syria, Ba'ath Party member Salah Jadid leads an intra-party military coup that replaces the previous government of General Amin al-Hafiz, also a Baathist.
March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
November 4 » The Arno River floods Florence, Italy, to a maximum depth of 6.7m (22ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Also Venice was submerged on the same day at its record all-time acqua alta of 194cm (76in).
November 8 » Former Massachusetts Attorney General Edward Brooke becomes the first African American elected to the United States Senate since Reconstruction.
November 30 » Barbados becomes independent from the United Kingdom.
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/I736.php : accessed January 4, 2026), "Josepha Arnolda Maria Opperman (1942-2019)".
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