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.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
March 12 » The future capital of Australia is officially named Canberra.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
August 28 » Queen Wilhelmina opens the Peace Palace in The Hague.
December 23 » The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System.
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.
May 21 » The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
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.
November 23 » World War II: HMSRawalpindi is sunk by the German battleships Scharnhorst and Gneisenau.
December 2 » New York City's LaGuardia Airport opens.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
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.
April 17 » Forces of the Communist-controlled Greek People's Liberation Army attack the smaller National and Social Liberation resistance group, which surrenders. Its leader Dimitrios Psarros is murdered.
April 22 » World War II: In Greenland, the Allied Sledge Patrol attack the German Bassgeiger weather station.
May 18 » World War II: Battle of Monte Cassino: Conclusion after seven days of the fourth battle as German paratroopers evacuate Monte Cassino.
June 10 » World War II: Six hundred forty-two men, women and children massacred at Oradour-sur-Glane, France.
June 26 » World War II: San Marino, a neutral state, is mistakenly bombed by the RAF based on faulty information, leading to 35 civilian deaths.
September 27 » The Kassel Mission results in the largest loss by a USAAF group on any mission in World War II.
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 18, 2026), "Hendrik van Keulen (1913-1944)".
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