The temperature on August 15, 1911 was between 14.3 °C and 20.7 °C and averaged 16.5 °C. There was 0.8 mm of rain. There was 3.2 hours of sunshine (22%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage September 14, 1936
The temperature on September 14, 1936 was between 8.2 °C and 19.7 °C and averaged 15.3 °C. There was 1.1 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
July 26 » King Edward VIII, in one of his few official duties before he abdicates the throne, officially unveils the Canadian National Vimy Memorial.
August 3 » A fire wipes out Kursha-2 in the Meshchera Lowlands, Ryazan Oblast, Russia, killing 1,200 and leaving only 20 survivors.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
October 4 » The British Union of Fascists and various anti-fascist organizations violently clash in the Battle of Cable Street.
October 5 » The Jarrow March sets off for London.
October 26 » The first electric generator at Hoover Dam goes into full operation.
Day of death December 25, 1975
The temperature on December 25, 1975 was between 2.4 °C and 7.1 °C and averaged 5.0 °C. There was 4.6 mm of rain during 6.6 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I3557.php : accessed February 21, 2026), "Grietje Jonker (1911-1975)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.