January 30 » The first Anglo-Japanese Alliance is signed in London.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Cadillac Motor Company is founded.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of marriage August 5, 1942
The temperature on August 5, 1942 was between 9.1 °C and 17.5 °C and averaged 13.6 °C. There was 0.2 mm of rain during 0.1 hours. There was 2.5 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 15 » The George Cross is awarded "to the island fortress of Malta" by King George VI.
August 19 » World War II: Operation Jubilee: The 2nd Canadian Infantry Division leads an amphibious assault by allied forces on Dieppe, France and fails, many Canadians are killed or captured. The operation was intended to develop and try new amphibious landing tactics for the coming full invasion in Normandy.
August 23 » World War II: Beginning of the Battle of Stalingrad.
November 26 » Casablanca, the movie starring Humphrey Bogart and Ingrid Bergman, premieres in New York City.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
Day of death June 16, 1980
The temperature on June 16, 1980 was between 11.0 °C and 19.8 °C and averaged 14.7 °C. There was 2.8 mm of rain during 1.1 hours. There was 1.6 hours of sunshine (10%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Ron Mazer, "Family tree Mazer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mazer/I474.php : accessed March 12, 2026), "Jan Gemser Gemser (1902-1980)".
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