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.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
May 9 » World War I: Second Battle of Artois between German and French forces.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 7 » The First Battle of the Isonzo comes to an end.
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.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
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 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
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 3 » Jesse Owens wins the 100 metre dash, defeating Ralph Metcalfe, at the Berlin Olympics.
August 14 » Rainey Bethea is hanged in Owensboro, Kentucky in the last known public execution in the United States.
December 5 » The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
December 21 » First flight of the Junkers Ju 88 multi-role combat aircraft.
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).
February 23 » World War II: During the Battle of Iwo Jima, a group of United States Marines reach the top of Mount Suribachi on the island and are photographed raising the American flag.
March 3 » World War II: The RAF accidentally bombs the Bezuidenhout area of The Hague, Netherlands, killing 511 people.
May 8 » The Halifax riot starts when thousands of civilians and servicemen rampage through Halifax, Nova Scotia.
May 29 » First combat mission of the Consolidated B-32 Dominator heavy bomber.
December 4 » By a vote of 65–7, the United States Senate approves United States participation in the United Nations. (The UN had been established on October 24, 1945.)
December 27 » The International Monetary Fund is created with the signing of an agreement by 29 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/I138583.php : accessed October 11, 2026), "Sjoerd Helmhout (1915-1945)".
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