The temperature on August 22, 1915 was between 6.8 °C and 19.4 °C and averaged 13.5 °C. There was 0.1 mm of rain. There was 3.9 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
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.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
Day of death November 12, 1918
The temperature on November 12, 1918 was between -0.4 °C and 9.6 °C and averaged 3.8 °C. There was 0.1 mm of rain. There was 3.8 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
June 24 » First airmail service in Canada from Montreal to Toronto.
September 15 » World War I: Allied troops break through the Bulgarian defenses on the Macedonian front.
October 11 » The 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people.
November 23 » Heber J. Grant succeeds Joseph F. Smith as the seventh president of The Church of Jesus Christ of Latter-day Saints.
December 14 » Portuguese President Sidónio Pais is assassinated.
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/I398358.php : accessed February 17, 2026), "Wietske Gezina Posthuma (1915-1918)".
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