The temperature on August 16, 1915 was between 8.8 °C and 19.5 °C and averaged 14.3 °C. There was 1.3 mm of rain. There was 5.3 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
January 12 » The United States House of Representatives rejects a proposal to require states to give women the right to vote.
March 20 » Albert Einstein publishes his general theory of relativity.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
Day of marriage December 20, 1939
The temperature on December 20, 1939 was between -7.6 °C and 2.6 °C and averaged -1.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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 14 » Slovakia declares independence under German pressure.
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.
May 3 » The All India Forward Bloc is formed by Netaji Subhas Chandra Bose.
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
Day of death May 13, 1997
The temperature on May 13, 1997 was between 6.1 °C and 20.9 °C and averaged 14.2 °C. There was 0.2 mm of rain during 0.4 hours. There was 10.6 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
February 22 » In Roslin, Midlothian, British scientists announce that an adult sheep named Dolly has been successfully cloned.
February 28 » An earthquake in northern Iran is responsible for about 3,000 deaths.
February 28 » GRB 970228, a highly luminous flash of gamma rays, strikes the Earth for 80 seconds, providing early evidence that gamma-ray bursts occur well beyond the Milky Way.
April 3 » The Thalit massacre begins in Algeria; all but one of the 53 inhabitants of Thalit are killed by guerrillas.
September 14 » Eighty-one killed as five bogies of the Ahmedabad–Howrah Express plunge into a river in Bilaspur district of Madhya Pradesh, India.
October 4 » The second largest cash robbery in U.S. history occurs in North Carolina
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I1314.php : accessed February 16, 2026), "Dirk Bart (1915-1997)".
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