The temperature on February 1, 1918 was between -2.3 °C and -0.5 °C and averaged -0.9 °C. There was 0.1 mm of rain. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 12 » The Minnie Pit Disaster coal mining accident occurs in Halmer End, Staffordshire, in which 155 men and boys die.
February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
March 25 » The Belarusian People's Republic is established.
June 24 » First airmail service in Canada from Montreal to Toronto.
October 11 » The 7.1 Mw San Fermín earthquake shakes Puerto Rico. The quake and resulting tsunami kill up to 116 people.
November 21 » The Parliament (Qualification of Women) Act 1918 is passed, allowing women to stand for Parliament in the UK.
Day of death December 30, 1999
The temperature on December 30, 1999 was between 1.4 °C and 4.0 °C and averaged 2.9 °C. There was 2.5 mm of rain during 4.1 hours. There was 1.0 hours of sunshine (13%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 14 » NATO mistakenly bombs a convoy of ethnic Albanian refugees. Yugoslav officials say 75 people were killed.
May 1 » SpongeBob SquarePants premieres on Nickelodeon.
May 24 » The International Criminal Tribunal for the former Yugoslavia in The Hague, Netherlands indicts Slobodan Milošević and four others for war crimes and crimes against humanity committed in Kosovo.
November 12 » The 7.2 Mw Düzce earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent). At least 845 people were killed and almost 5,000 were injured.
December 3 » NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.
December 24 » Indian Airlines Flight 814 is hijacked in Indian airspace between Kathmandu, Nepal, and Delhi, India. The aircraft landed at Kandahar in Afghanistan. The incident ended on December 31 with the release of 190 survivors (one passenger is killed).
When copying data from this family tree, please include a reference to the origin: Jo Consten, "Family tree Consten Koolen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-consten-koolen/I3203.php : accessed February 28, 2026), "Guus Boersma (1918-1999)".
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