The temperature on June 9, 1917 was between 15.1 °C and 19.2 °C and averaged 17.0 °C. There was 3.5 mm of rain. There was -0.1 hours of sunshine (0%). 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.
March 8 » The United States Senate votes to limit filibusters by adopting the cloture rule.
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
November 7 » The Gregorian calendar date of the October Revolution, which gets its name from the Julian calendar date of 25 October. On this date in 1917, the Bolsheviks storm the Winter Palace.
November 26 » The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
Day of marriage March 18, 1942
The temperature on March 18, 1942 was between 7.5 °C and 11.9 °C and averaged 8.8 °C. There was 1.0 mm of rain during 0.7 hours. There was 1.6 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
February 27 » World War II: During the Battle of the Java Sea, an Allied strike force is defeated by a Japanese task force in the Java Sea in the Dutch East Indies.
April 23 » World War II: Baedeker Blitz: German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
April 26 » Benxihu Colliery accident in Manchukuo leaves 1549 Chinese miners dead.
July 19 » World War II: The Second Happy Time of Hitler's submarines comes to an end, as the increasingly effective American convoy system compels them to return to the central Atlantic.
September 15 » World War II: U.S. Navy aircraft carrier USSWasp is sunk by Japanese torpedoes at Guadalcanal.
November 3 » World War II: The Koli Point action begins during the Guadalcanal Campaign and ends on November 12.
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/I125109.php : accessed February 16, 2026), "Catharinus Helfrich (1917-)".
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