The temperature on August 30, 1913 was between 14.2 °C and 22.7 °C and averaged 18.5 °C. There was 0.5 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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 3 » The Sixteenth Amendment to the United States Constitution is ratified, authorizing the Federal government to impose and collect an income tax.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
June 19 » Natives Land Act, 1913 in South Africa implemented.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
December 1 » Ford Motor Company introduces the first moving assembly line.
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.
February 5 » Generalísimo Francisco Franco becomes the 68th "Caudillo de España", or Leader of Spain.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
April 20 » Adolf Hitler's 50th birthday's celebrations in Germany
September 14 » World War II: The Estonian military boards the Polish submarine ORPOrzeł in Tallinn, sparking a diplomatic incident that the Soviet Union will later use to justify the annexation of Estonia.
November 26 » Shelling of Mainila: The Soviet Army orchestrates an incident which is used to justify the start of the Winter War with Finland four days later.
December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.
Day of death December 13, 1944
The temperature on December 13, 1944 was between -0.1 °C and 6.0 °C and averaged 3.2 °C. There was 1.7 hours of sunshine (22%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
June 17 » Iceland declares independence from Denmark and becomes a republic.
July 17 » World War II: At Sainte-Foy-de-Montgommery in Normandy Field Marshal Erwin Rommel is seriously injured by allied aircraft while returning to his headquarters.
August 5 » World War II: The Nazis begin a week-long massacre of between 40,000 and 50,000 civilians and prisoners of war in Wola, Poland.
September 8 » World War II: London is hit by a V-2 rocket for the first time.
September 17 » World War II: German forces are attacked by the Allies in the Battle of San Marino.
December 30 » King George II of Greece declares a regency, leaving the throne vacant.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I34472.php : accessed February 12, 2026), "Hendrik van Keulen (1913-1944)".
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