The temperature on April 25, 1919 was between 2.1 °C and 9.9 °C and averaged 6.3 °C. There was 0.1 mm of rain. There was 3.4 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
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 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
February 17 » The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
May 19 » Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
July 21 » The dirigible Wingfoot Air Express crashes into the Illinois Trust and Savings Building in Chicago, killing 12 people.
Day of death February 18, 2006
The temperature on February 18, 2006 was between 0.9 °C and 7.0 °C and averaged 4.4 °C. There was 0.3 mm of rain during 0.7 hours. There was 0.9 hours of sunshine (9%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
May 5 » The government of Sudan signs an accord with the Sudan Liberation Army.
May 21 » The Republic of Montenegro holds a referendum proposing independence from the State Union of Serbia and Montenegro; 55% of Montenegrins vote for independence.
June 18 » The first Kazakh space satellite, KazSat-1 is launched.
July 4 » Space Shuttle program: Discovery launches STS-121 to the International Space Station. The event gained wide media attention as it was the only shuttle launch in the program's history to occur on the United States' Independence Day.
August 24 » The International Astronomical Union (IAU) redefines the term "planet" such that Pluto is now considered a dwarf planet.
October 28 » A funeral service takes place at the Bykivnia graves for those Ukrainians who were killed by the Soviet secret police.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I511762.php : accessed January 11, 2026), "Roelof Bouman (1919-2006)".
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