The temperature on April 5, 1914 was between 3.8 °C and 11.6 °C and averaged 8.5 °C. There was 2.7 mm of rain. There was 2.8 hours of sunshine (21%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-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.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 25 » World War I: Japan declares war on Austria-Hungary.
August 26 » World War I: The German colony of Togoland surrenders to French and British forces after a 20-day campaign.
August 28 » World War I: German troops take the city of Namur in Belgium.
September 17 » Andrew Fisher becomes Prime Minister of Australia for the third time.
September 26 » The United States Federal Trade Commission is established by the Federal Trade Commission Act.
Day of marriage August 8, 1940
The temperature on August 8, 1940 was between 13.2 °C and 21.2 °C and averaged 16.7 °C. There was 3.9 mm of rain during 1.9 hours. There was 5.0 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 26 » World War II: Operation Dynamo: In northern France, Allied forces begin a massive evacuation from Dunkirk, France.
June 7 » King Haakon VII, Crown Prince Olav and the Norwegian government leave Tromsø and go into exile in London. They return exactly five years later.
June 14 » Seven hundred twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.
June 14 » World War II: The German occupation of Paris begins.
July 10 » World War II: Six days before Adolf Hitler issues his Directive 16 to the combined Wehrmacht armed forces for Operation Sea Lion, the Kanalkampf shipping attacks against British maritime convoys begin, in the leadup to initiating the Battle of Britain.
September 9 » Treznea Massacre in Transylvania.
Day of death September 20, 1959
The temperature on September 20, 1959 was between 6.3 °C and 20.5 °C and averaged 14.1 °C. There was 4.8 hours of sunshine (39%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 3 » Alaska is admitted as the 49th U.S. state.
January 30 » MSHans Hedtoft, said to be the safest ship afloat and "unsinkable" like the RMSTitanic, strikes an iceberg on her maiden voyage and sinks, killing all 95 aboard.
April 8 » The Organization of American States drafts an agreement to create the Inter-American Development Bank.
April 25 » The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
August 31 » A parcel bomb sent by Ngô Đình Nhu, younger brother and chief adviser of South Vietnamese President Ngô Đình Diệm, fails to kill King Norodom Sihanouk of Cambodia.
December 13 » Archbishop Makarios III becomes the first President of Cyprus.
When copying data from this family tree, please include a reference to the origin: J. Demmers, "Family tree Demmers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-demmers/I2425.php : accessed March 5, 2026), "Jacob Willem "Jaap" Demmers (1914-1959)".
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