The temperature on January 9, 1915 was between 2.7 °C and 5.5 °C and averaged 3.9 °C. There was 3.7 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
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 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
October 14 » World War I: Bulgaria joins the Central Powers.
Day of marriage May 9, 1934
The temperature on May 9, 1934 was between 6.6 °C and 15.9 °C and averaged 10.2 °C. There was 5.5 mm of rain during 7.8 hours. There was 3.7 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
August 22 » Bill Woodfull of Australia becomes the only cricket captain to twice regain The Ashes.
September 26 » The ocean liner RMSQueen Mary is launched.
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/I140111.php : accessed February 18, 2026), "Albertje Wiersma (1915-)".
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