The temperature on April 25, 1916 was between 3.2 °C and 19.2 °C and averaged 12.7 °C. There was 12.3 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 25 » In the Battle of Verdun, a German unit captures Fort Douaumont, keystone of the French defences, without a fight.
July 15 » In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing).
August 28 » World War I: Germany declares war on Romania.
November 5 » The Everett massacre takes place in Everett, Washington as political differences lead to a shoot-out between the Industrial Workers of the World organizers and local police.
November 5 » The Kingdom of Poland is proclaimed by the Act of 5th November of the emperors of Germany and Austria-Hungary.
November 18 » World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916.
Day of death December 19, 1988
The temperature on December 19, 1988 was between 5.0 °C and 10.9 °C and averaged 8.1 °C. There was 10.5 mm of rain during 8.2 hours. There was 0.7 hours of sunshine (9%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
February 20 » The Nagorno-Karabakh Autonomous Oblast votes to secede from Azerbaijan and join Armenia, triggering the Nagorno-Karabakh War.
March 13 » The Seikan Tunnel, the longest undersea tunnel in the world, opens between Aomori and Hakodate, Japan.
June 19 » Pope John Paul II canonizes 117 Vietnamese Martyrs.
July 6 » The Piper Alpha drilling platform in the North Sea is destroyed by explosions and fires. One hundred sixty-seven oil workers are killed, making it the world's worst offshore oil disaster in terms of direct loss of life.
October 17 » Uganda Airlines Flight 775 crashes at Rome–Fiumicino International Airport, in Rome, Italy, killing 33 people.
December 21 » A bomb explodes on board Pan Am Flight 103 over Lockerbie, Dumfries and Galloway, Scotland, killing 270. This is to date the deadliest air disaster to occur in British soil.
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/I110932.php : accessed October 14, 2026), "Johannes Ytsma (1916-1988)".
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