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 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
June 19 » Natives Land Act, 1913 in South Africa implemented.
August 13 » First production in the UK of stainless steel by Harry Brearley.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
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.
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.
June 24 » Siam is renamed Thailand by Plaek Phibunsongkhram, the country's third prime minister.
September 9 » World War II: The Battle of Hel begins, the longest-defended pocket of Polish Army resistance during the German invasion of Poland.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
November 8 » In Munich, Adolf Hitler narrowly escapes the assassination attempt of Georg Elser while celebrating the 16th anniversary of the Beer Hall Putsch.
December 22 » Indian Muslims observe a "Day of Deliverance" to celebrate the resignations of members of the Indian National Congress over their not having been consulted over the decision to enter World War II with the United Kingdom.
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.
February 17 » World War II: Operation Hailstone begins: U.S. naval air, surface, and submarine attack against Truk Lagoon, Japan's main base in the central Pacific, in support of the Eniwetok invasion.
March 3 » The Order of Nakhimov and Order of Ushakov are instituted in USSR as the highest naval awards.
April 25 » The United Negro College Fund is incorporated.
September 28 » World War II: Soviet Army troops liberate Klooga concentration camp in Estonia.
October 20 » World War II: The Soviet Army and Yugoslav Partisans liberate Belgrade.
November 29 » World War II: Albania is liberated by the Partisans.
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 22, 2026), "Hendrik van Keulen (1913-1944)".
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