The temperature on August 3, 1914 was between 11.0 °C and 21.4 °C and averaged 16.2 °C. There was 4.4 mm of rain. There was 8.1 hours of sunshine (53%). 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.
May 30 » The new, and then the largest, Cunard ocean liner RMSAquitania, 45,647 tons, sets sails on her maiden voyage from Liverpool, England, to New York City.
August 3 » World War I: Germany declares war against France, while Romania declares its neutrality.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
August 27 » World War I: Battle of Étreux: A British rearguard action by the Royal Munster Fusiliers during the Great Retreat.
August 28 » World War I: German troops take the city of Namur in Belgium.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
Day of marriage August 17, 1939
The temperature on August 17, 1939 was between 9.1 °C and 22.8 °C and averaged 17.3 °C. There was 12.6 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
April 14 » The Grapes of Wrath, by American author John Steinbeck is first published by the Viking Press.
May 17 » The Columbia Lions and the Princeton Tigers play in the United States' first televised sporting event, a collegiate baseball game in New York City.
November 4 » World War II: U.S. President Franklin D. Roosevelt orders the United States Customs Service to implement the Neutrality Act of 1939, allowing cash-and-carry purchases of weapons by belligerents.
December 13 » World War II: Battle of the River Plate: Captain Hans Langsdorff of the German Deutschland-class cruiser (pocket battleship) Admiral Graf Spee engages with Royal Navy cruisers HMSExeter, HMSAjax and HMSAchilles.
December 17 » World War II: Battle of the River Plate: The Admiral Graf Spee is scuttled by Captain Hans Langsdorff outside Montevideo.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I548652.php : accessed March 12, 2026), "Gerrit Hendrik Janssen (1914-)".
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