June 5 » Second Boer War: British soldiers take Pretoria.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
October 9 » The Cook Islands become a territory of the United Kingdom.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death December 9, 1915
The temperature on December 9, 1915 was between -0.4 °C and 8.5 °C and averaged 2.6 °C. There was 10.5 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
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/I76961.php : accessed October 9, 2026), "Hesder Kamstra (1900-1915)".
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