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 9 » A group of meteors is visible across much of the eastern seaboard of North and South America, leading astronomers to conclude the source had been a small, short-lived natural satellite of the Earth.
February 13 » The 13th Dalai Lama proclaims Tibetan independence following a period of domination by Manchu Qing dynasty and initiated a period of almost four decades of independence.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 22 » Mystic Phan Xích Long, the self-proclaimed Emperor of Vietnam, was arrested for organising a revolt against the colonial rule of French Indochina, which was nevertheless carried out by his supporters the following day.
November 7 » The first day of the Great Lakes Storm of 1913, a massive blizzard that ultimately killed 250 and caused over $5 million (about $118,098,000 in 2013 dollars) damage. Winds reach hurricane force on this date.
December 17 » A spur of the Shaker Heights streetcar line opens, the first line of the eventual Cleveland RTA Rapid Transit 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 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.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 9 » World War II: The Battle of Hel begins, the longest-defended pocket of Polish Army resistance during the German invasion of Poland.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
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 20 » World War II: The United States takes Eniwetok Island.
March 10 » Greek Civil War: The Political Committee of National Liberation is established in Greece by the National Liberation Front.
April 5 » World War II: Two hundred seventy inhabitants of the Greek town of Kleisoura are executed by the Germans.
June 20 » Continuation War: The Soviet Union demands an unconditional surrender from Finland during the beginning of partially successful Vyborg-Petrozavodsk Offensive. The Finnish government refuses.
August 15 » World War II: Operation Dragoon: Allied forces land in southern France.
September 6 » World War II: Soviet forces capture the city of Tartu, Estonia.
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 March 6, 2026), "Hendrik van Keulen (1913-1944)".
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