The temperature on June 20, 1917 was between 15.7 °C and 22.6 °C and averaged 19.0 °C. There was 4.0 mm of rain. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
Day of marriage May 17, 1945
The temperature on May 17, 1945 was between 11.3 °C and 24.4 °C and averaged 16.6 °C. There was 1.3 mm of rain during 1.3 hours. There was 5.9 hours of sunshine (37%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 31 » World War II: The end of fighting in the Battle of Hill 170 during the Burma Campaign, in which the British 3 Commando Brigade repulsed a Japanese counterattack on their positions and precipitated a general retirement from the Arakan Peninsula.
February 14 » World War II: Navigational error leads to the mistaken bombing of Prague, Czechoslovakia by an American squadron of B-17s assisting in the Soviet's Vistula–Oder Offensive.
March 6 » World War II: Cologne is captured by American troops. On the same day, Operation Spring Awakening, the last major German offensive of the war, begins.
March 15 » World War II: Soviet forces begin an offensive to push Germans from Upper Silesia.
May 5 » World War II: Dönitz gives Löhr permission to seek an armistice with the Western Allies to preserve a communist free Austria and recognising first, from a German standpoint, the separation of Austria from Germany undoing the Anschluss.
July 28 » A U.S. Army B-25 bomber crashes into the 79th floor of the Empire State Building killing 14 and injuring 26.
Day of death February 25, 1970
The temperature on February 25, 1970 was between -0.4 °C and 5.6 °C and averaged 2.1 °C. There was 4.7 mm of rain during 2.4 hours. There was 1.0 hours of sunshine (9%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
July 21 » After 11 years of construction, the Aswan High Dam in Egypt is completed.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I187113.php : accessed October 23, 2026), "Wytze Mulder (1917-1970)".
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