The temperature on June 21, 1915 was between 3.9 °C and 21.2 °C and averaged 14.4 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 19 » Georges Claude patents the neon discharge tube for use in advertising.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
September 25 » World War I: The Second Battle of Champagne begins.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of marriage March 25, 1939
The temperature on March 25, 1939 was between -0.8 °C and 6.7 °C and averaged 3.2 °C. There was 2.5 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
April 1 » Spanish Civil War: Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender.
April 9 » African-American singer Marian Anderson gives a concert at the Lincoln Memorial after being denied the use of Constitution Hall by the Daughters of the American Revolution.
April 30 » The 1939–40 New York World's Fair opens.
May 23 » The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
Day of death September 17, 1943
The temperature on September 17, 1943 was between 9.0 °C and 21.9 °C and averaged 15.1 °C. There was 2.0 mm of rain during 2.0 hours. There was 3.7 hours of sunshine (29%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 23 » World War II: Troops of the British Eighth Army capture Tripoli in Libya from the German–Italian Panzer Army.
February 16 » World War II: In the early phases of the Third Battle of Kharkov, Red Army troops re-enter the city.
March 22 » World War II: The entire village of Khatyn (in what is the present-day Republic of Belarus) is burnt alive by Schutzmannschaft Battalion 118.
May 30 » The Holocaust: Josef Mengele becomes chief medical officer of the Zigeunerfamilienlager (Romani family camp) at Auschwitz concentration camp.
July 4 » World War II: In Gibraltar, a Royal Air Force B-24 Liberator bomber crashes into the sea in an apparent accident moments after takeoff, killing sixteen passengers on board, including general Władysław Sikorski, the commander-in-chief of the Polish Army and the Prime Minister of the Polish government-in-exile; only the pilot survives.
July 4 » World War II: The Battle of Kursk, the largest full-scale battle in history and the world's largest tank battle, begins in the village of Prokhorovka.
When copying data from this family tree, please include a reference to the origin: Gert Esterhuizen, "Family tree Eric Esterhuizen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-esterhuizen/I10872.php : accessed February 23, 2026), "William George Whitmore (1915-1943)".
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