The temperature on August 22, 1915 was between 6.8 °C and 19.4 °C and averaged 13.5 °C. There was 0.1 mm of rain. There was 3.9 hours of sunshine (27%). 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.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 9 » World War I: Second Battle of Artois between German and French forces.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of marriage May 20, 1939
The temperature on May 20, 1939 was between 1.7 °C and 15.8 °C and averaged 9.1 °C. There was 12.2 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
January 24 » The deadliest earthquake in Chilean history strikes Chillán, killing approximately 28,000 people.
March 3 » In Bombay, Mohandas Gandhi begins a hunger strike in protest at the autocratic rule in British India.
April 30 » The 1939–40 New York World's Fair opens.
August 25 » The United Kingdom and Poland form a military alliance in which the UK promises to defend Poland in case of invasion by a foreign power.
October 8 » World War II: Germany annexes western Poland.
November 23 » World War II: HMSRawalpindi is sunk by the German battleships Scharnhorst and Gneisenau.
Day of death November 4, 1979
The temperature on November 4, 1979 was between 7.4 °C and 12.8 °C and averaged 10.4 °C. There was 11.1 mm of rain during 8.4 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
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/I117716.php : accessed October 24, 2026), "Johannes Helder (1915-1979)".
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