The temperature on April 9, 1915 was between 4.0 °C and 7.6 °C and averaged 5.9 °C. There was 3.0 mm of rain. There was 1.2 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
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 5 » The pacifist Zimmerwald Conference begins.
Day of marriage April 28, 1937
The temperature on April 28, 1937 was between 2.9 °C and 13.5 °C and averaged 8.5 °C. There was 4.1 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 11 » Second Italo-Ethiopian War: Italy leaves the League of Nations.
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/I165403.php : accessed December 26, 2025), "Syke Grassmid (1915-)".
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