The temperature on July 25, 1916 was between 12.2 °C and 18.8 °C and averaged 15.1 °C. There was 1.0 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
February 25 » In the Battle of Verdun, a German unit captures Fort Douaumont, keystone of the French defences, without a fight.
April 9 » World War I: The Battle of Verdun: German forces launch their third offensive of the battle.
May 16 » The United Kingdom of Great Britain and Ireland and the French Third Republic sign the secret wartime Sykes-Picot Agreement partitioning former Ottoman territories such as Iraq and Syria.
June 3 » The National Defense Act is signed into law, increasing the size of the United States National Guard by 450,000 men.
September 6 » The first self-service grocery store Piggly Wiggly was opened in Memphis, Tennessee by Clarence Saunders.
November 5 » The Everett massacre takes place in Everett, Washington as political differences lead to a shoot-out between the Industrial Workers of the World organizers and local police.
Day of marriage August 30, 1939
The temperature on August 30, 1939 was between 12.2 °C and 23.8 °C and averaged 17.4 °C. There was 0.1 mm of rain. There was 8.8 hours of sunshine (64%). 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.
March 23 » The Hungarian air force attacks the headquarters of the Slovak air force in Spišská Nová Ves, killing 13 people and beginning the Slovak–Hungarian War.
April 30 » NBC inaugurates its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt's N.Y. World's Fair opening day ceremonial address.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
October 6 » World War II: The Battle of Kock is the final combat of the September Campaign in Poland.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
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.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I66125.php : accessed February 9, 2026), "Jan Zuidema (1916-)".
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