The temperature on April 7, 1920 was between 1.4 °C and 12.7 °C and averaged 8.2 °C. There was 1.1 mm of rain. There was 3.3 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
January 16 » The League of Nations holds its first council meeting in Paris, France.
February 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
February 29 » Czechoslovak National Assembly adopts the Constitution.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
Day of death May 11, 1942
The temperature on May 11, 1942 was between 10.4 °C and 19.5 °C and averaged 14.2 °C. There was 9.1 mm of rain during 4.3 hours. There was 3.8 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 23 » World War II: The Battle of Rabaul commences Japan's invasion of Australia's Territory of New Guinea.
March 14 » Anne Miller becomes the first American patient to be treated with penicillin, under the care of Orvan Hess and John Bumstead.
June 8 » World War II: The Japanese imperial submarines I-21 and I-24 shell the Australian cities of Sydney and Newcastle.
June 21 » World War II: A Japanese submarine surfaces near the Columbia River in Oregon, firing 17 shells at Fort Stevens in one of only a handful of attacks by Japan against the United States mainland.
September 21 » The Holocaust in Poland: At the end of Yom Kippur, Germans order Jews to permanently move from Konstantynów to Biała Podlaska.
November 11 » World War II: France's zone libre is occupied by German forces in Case Anton.
Day of burial May 15, 1942
The temperature on May 15, 1942 was between 5.9 °C and 18.5 °C and averaged 13.1 °C. There was 10.4 hours of sunshine (66%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 Imperial Japanese Army begins the systematic extermination of perceived hostile elements among the Chinese in Singapore.
April 26 » Benxihu Colliery accident in Manchukuo leaves 1549 Chinese miners dead.
May 7 » World War II: During the Battle of the Coral Sea, United States Navy aircraft carrier aircraft attack and sink the Imperial Japanese Navy light aircraft carrier Shōhō; the battle marks the first time in naval history that two enemy fleets fight without visual contact between warring ships.
July 19 » World War II: The Second Happy Time of Hitler's submarines comes to an end, as the increasingly effective American convoy system compels them to return to the central Atlantic.
September 7 » World War II: Japanese marines are forced to withdraw during the Battle of Milne Bay.
November 11 » World War II: France's zone libre is occupied by German forces in Case Anton.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I10258.php : accessed January 8, 2026), "Petrus Wilhelmus Dam (1920-1942)".
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