The temperature on June 26, 1915 was between 10.5 °C and 20.4 °C and averaged 16.4 °C. There was 1.0 mm of rain. There was 6.1 hours of sunshine (36%). The average windspeed was 3 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 21 » Kiwanis International is founded in Detroit.
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.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
Day of marriage June 6, 1936
The temperature on June 6, 1936 was between 9.2 °C and 20.7 °C and averaged 14.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 13.0 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 27 » The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
May 21 » Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals.
August 4 » Prime Minister of Greece Ioannis Metaxas suspends parliament and the Constitution and establishes the 4th of August Regime.
August 9 » Summer Olympic Games: Games of the XI Olympiad: Jesse Owens wins his fourth gold medal at the games.
October 27 » Mrs Wallis Simpson obtains her divorce, which would eventually allow her to marry King Edward VIII of the United Kingdom, thus forcing his abdication from the throne.
Day of death February 12, 1945
The temperature on February 12, 1945 was between 0.7 °C and 8.8 °C and averaged 3.8 °C. There was 6.3 mm of rain during 7.8 hours. The average windspeed was 3 Bft (moderate breeze) 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
April 1 » World War II: The Tenth United States Army attacks the Thirty-Second Japanese Army on Okinawa.
May 8 » The Halifax riot starts when thousands of civilians and servicemen rampage through Halifax, Nova Scotia.
May 15 » World War II: The Battle of Poljana, the final skirmish in Europe is fought near Prevalje, Slovenia.
July 17 » World War II: The main three leaders of the Allied nations, Winston Churchill, Harry S. Truman and Joseph Stalin, meet in the German city of Potsdam to decide the future of a defeated Germany.
August 2 » World War II: End of the Potsdam Conference.
December 15 » Occupation of Japan/Shinto Directive: General Douglas MacArthur orders that Shinto be abolished as the state religion of Japan.
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/I138583.php : accessed October 6, 2026), "Sjoerd Helmhout (1915-1945)".
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