The temperature on June 30, 1909 was between 10.4 °C and 15.3 °C and averaged 12.5 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 4 » U.S. President William Taft used what became known as a Saxbe fix, a mechanism to avoid the restriction of the U.S. Constitution's Ineligibility Clause, to appoint Philander C. Knox as U.S. Secretary of State.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
June 26 » The Science Museum in London comes into existence as an independent entity.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of death December 23, 1942
The temperature on December 23, 1942 was between 0.5 °C and 8.8 °C and averaged 4.2 °C. There was 0.2 mm of rain. There was 5.3 hours of sunshine (69%). 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 13 » World War II: First use of an aircraft ejection seat by a German test pilot in a Heinkel He 280 jet fighter.
February 24 » The Battle of Los Angeles: A false alarm led to an anti-aircraft barrage that lasted into the early hours of February 25.
August 7 » World War II: The Battle of Guadalcanal begins as the United States Marines initiate the first American offensive of the war with landings on Guadalcanal and Tulagi in the Solomon Islands.
September 13 » World War II: Second day of the Battle of Edson's Ridge in the Guadalcanal Campaign. U.S. Marines successfully defeated attacks by the Japanese with heavy losses for the Japanese forces.
September 21 » The Holocaust in Ukraine: On the Jewish holiday of Yom Kippur, Nazis send over 1,000 Jews of Pidhaitsi to Bełżec extermination camp.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I120795.php : accessed February 15, 2026), "Jannes Dolsma (1909-1942)".
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