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 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
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.
June 12 » Anne Frank receives a diary for her thirteenth birthday.
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 10 » World War II: The British Army carries out an amphibious landing on Madagascar to re-launch Allied offensive operations in the Madagascar Campaign.
October 1 » World War II: USSGrouper torpedoes Lisbon Maru, not knowing that she is carrying British prisoners of war from Hong Kong.
November 21 » The completion of the Alaska Highway (also known as the Alcan Highway) is celebrated (however, the highway is not usable by standard road vehicles until 1943).
December 6 » World War II in villages Stary Ciepielów and Rekówka German Genarmerie massacred 31 Poles for helping the Jews. Also, two Jewish refugees were murdered.
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 October 16, 2026), "Jannes Dolsma (1909-1942)".
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