The temperature on April 18, 1917 was between -1.0 °C and 6.7 °C and averaged 2.4 °C. There was 1.9 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
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 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
December 6 » Finland declares independence from Soviet Russia.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of death May 23, 1988
The temperature on May 23, 1988 was between 6.5 °C and 21.7 °C and averaged 15.6 °C. There was 0.2 mm of rain during 0.8 hours. There was 11.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 16 » Iran–Contra affair: Lieutenant Colonel Oliver North and Vice Admiral John Poindexter are indicted on charges of conspiracy to defraud the United States.
March 20 » Eritrean War of Independence: Having defeated the Nadew Command, the Eritrean People's Liberation Front enters the town of Afabet, victoriously concluding the Battle of Afabet.
July 23 » General Ne Win, effective ruler of Burma since 1962, resigns after pro-democracy protests.
August 20 » Iran-Iraq War: A ceasefire is agreed after almost eight years of war.
September 13 » Hurricane Gilbert is the strongest recorded hurricane in the Western Hemisphere, later replaced by Hurricane Wilma in 2005 (based on barometric pressure).
October 19 » The British government imposes a broadcasting ban on television and radio interviews with members of Sinn Féin and eleven Irish republican and Ulster loyalist paramilitary groups.
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/I218827.php : accessed February 1, 2026), "Hendrikje Slopsma (1917-1988)".
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