The temperature on June 18, 1914 was between 8.0 °C and 17.3 °C and averaged 13.9 °C. There was 0.6 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 11 » USSNevada(BB-36) is launched.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 15 » World War I: Beginning of the Battle of Cer, the first Allied victory of World War I.
September 1 » St. Petersburg, Russia, changes its name to Petrograd.
November 28 » World War I: Following a war-induced closure in July, the New York Stock Exchange re-opens for bond trading.
Day of marriage May 18, 1940
The temperature on May 18, 1940 was between 8.5 °C and 19.2 °C and averaged 13.4 °C. There was 9.9 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 7 » Winter War: Battle of Raate Road - The Finnish 9th Division finally defeat the numerically superior Soviet forces on the Raate-Suomussalmi road.
January 29 » Three trains on the Nishinari Line; present Sakurajima Line, in Osaka, Japan, collide and explode while approaching Ajikawaguchi Station. One hundred and eighty-one people are killed.
June 14 » The Soviet Union presents an ultimatum to Lithuania resulting in Lithuanian loss of independence.
August 6 » Estonia is illegally annexed by the Soviet Union.
August 30 » The Second Vienna Award reassigns the territory of Northern Transylvania from Romania to Hungary.
November 16 » World War II: In response to the leveling of Coventry by the German Luftwaffe two days before, the Royal Air Force bombs Hamburg.
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/I139966.php : accessed October 24, 2026), "Wybren Kooistra (1914-)".
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