The temperature on May 13, 1905 was between 5.0 °C and 12.1 °C and averaged 8.2 °C. There was 8.4 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
May 27 » Russo-Japanese War: The Battle of Tsushima begins.
August 20 » Sun Yat-sen, Chinese revolutionary, forms the first chapter of T'ung Meng Hui, a union of all secret societies determined to bringing down the Manchus.
September 5 » Russo-Japanese War: In New Hampshire, United States, the Treaty of Portsmouth, mediated by U.S. President Theodore Roosevelt, ends the war.
December 9 » In France, the law separating church and state is passed.
December 11 » A workers' uprising occurs in Kiev, Ukraine (then part of the Russian Empire), and establishes the Shuliavka Republic.
Day of death December 18, 1943
The temperature on December 18, 1943 was between -2.7 °C and 6.2 °C and averaged 2.1 °C. There was 1.1 mm of rain during 1.1 hours. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
March 2 » World War II: Allied aircraft defeat a Japanese attempt to ship troops to New Guinea.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
October 1 » World War II: After the Four Days of Naples, Allied troops enter the city.
October 6 » World War II: Thirteen civilians are burnt alive by a paramilitary group in Crete.
October 14 » World War II: Prisoners at the Sobibór extermination camp in Poland revolt against the Germans.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I8470.php : accessed February 5, 2026), "Hedzer van der Kooi (1879-1943)".
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