The temperature on April 7, 1917 was between -0.8 °C and 7.3 °C and averaged 2.6 °C. There was 2.6 mm of rain. There was 5.8 hours of sunshine (44%). The average windspeed was 4 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.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 2 » The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
Day of death February 15, 1983
The temperature on February 15, 1983 was between -3.4 °C and 2.3 °C and averaged -1.2 °C. There was 6.2 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 8 » The Melbourne dust storm hits Australia's second largest city. The result of the worst drought on record and a day of severe weather conditions, a 320 metres (1,050ft) deep dust cloud envelops the city, turning day to night.
February 18 » Thirteen people die and one is seriously injured in the Wah Mee massacre in Seattle. It is said to be the largest robbery-motivated mass-murder in U.S. history.
April 12 » Harold Washington is elected as the first black mayor of Chicago.
June 13 » Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune.
June 18 » Mona Mahmudnizhad, together with nine other Bahá'í women, is sentenced to death and hanged in Shiraz, Iran over her religious beliefs.
November 8 » TAAG Angola Airlines Flight 462 crashes after takeoff from Lubango Airport killing all 130 people on board. UNITA claims to have shot down the aircraft, though this is disputed.
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/I167075.php : accessed October 25, 2026), "Jan Roorda (1917-1983)".
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