The temperature on March 23, 1909 was between 2.3 °C and 9.5 °C and averaged 5.4 °C. There was 4.4 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 18 » Joan of Arc is beatified in Rome.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of marriage May 18, 1928
The temperature on May 18, 1928 was between 3.2 °C and 12.3 °C and averaged 7.6 °C. There was 1.0 mm of rain. There was 3.7 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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/I11456.php : accessed October 25, 2026), "Klaas Jacob Jonker (1909-)".
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