The temperature on February 18, 1917 was between 1.9 °C and 3.8 °C and averaged 2.8 °C. There was 1.3 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
September 26 » World War I: The Battle of Polygon Wood begins.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
Day of death April 17, 1990
The temperature on April 17, 1990 was between 3.3 °C and 10.6 °C and averaged 6.4 °C. There was 2.4 mm of rain during 1.6 hours. There was 8.5 hours of sunshine (61%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 11 » Buster Douglas, a 42:1 underdog, knocks out Mike Tyson in ten rounds at Tokyo to win boxing's world Heavyweight title.
February 12 » Carmen Lawrence becomes the first female Premier in Australian history when she becomes Premier of Western Australia.
June 19 » The current international law defending indigenous peoples, Indigenous and Tribal Peoples Convention, 1989, is ratified for the first time by Norway.
August 23 » West and East Germany announce that they will reunite on October 3.
September 12 » The two German states and the Four Powers sign the Treaty on the Final Settlement with Respect to Germany in Moscow, paving the way for German reunification.
December 1 » Channel Tunnel sections started from the United Kingdom and France meet 40 metres beneath the seabed.
When copying data from this family tree, please include a reference to the origin: R. Ratsma, "Family tree diverse families", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ratsma/I6390.php : accessed February 18, 2026), "Johannes Hendrik Christoffel Laman (1917-1990)".
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