The temperature on April 14, 1920 was between 6.2 °C and 14.2 °C and averaged 10.3 °C. There was 10.1 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of marriage October 20, 1943
The temperature on October 20, 1943 was between 8.5 °C and 15.8 °C and averaged 11.7 °C. There was 6.1 mm of rain during 5.5 hours. There was 4.8 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 11 » World War II: American troops invade Attu Island in the Aleutian Islands in an attempt to expel occupying Japanese forces.
August 31 » USSHarmon, the first U.S. Navy ship to be named after a black person, is commissioned.
October 1 » World War II: After the Four Days of Naples, Allied troops enter the city.
October 6 » World War II: Thirteen civilians are burnt alive by a paramilitary group in Crete.
October 13 » World War II: Marshal Pietro Badoglio announces that Italy has officially declared war on Germany.
December 2 » World War II: A Luftwaffe bombing raid on the harbour of Bari, Italy, sinks numerous cargo and transport ships, including the American SSJohn Harvey, which is carrying a stockpile of World War I-era mustard gas.
Day of death August 3, 2012
The temperature on August 3, 2012 was between 12.2 °C and 23.0 °C and averaged 17.9 °C. There was 6.0 mm of rain during 1.0 hours. There was 9.3 hours of sunshine (60%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Thursday, October 14, 2010 to Monday, November 5, 2012 the cabinet Rutte I, with Mark Rutte (VVD) as prime minister.
In The Netherlands , there was from Monday, November 5, 2012 to Thursday, October 26, 2017 the cabinet Rutte II, with Mark Rutte (VVD) as prime minister.
April 11 » A pair of great earthquakes occur in the Wharton Basin west of Sumatra in Indonesia. The maximum Mercalli intensity of this strike-slip doublet earthquake was VII (Very strong). Ten were killed, twelve were injured, and a non-destructive tsunami was observed on the island of Nias.
June 22 » A Turkish Air Force McDonnell Douglas F-4 Phantom II fighter plane is shot down by the Syrian Armed Forces, killing both of the plane's pilots and worsening already-strained relations between Turkey and Syria.
November 13 » A total solar eclipse occurred in parts of Australia and the South Pacific
December 3 » At least 475 people are killed after Typhoon Bopha makes landfall in the Philippines.
December 9 » A plane crash in Mexico kills seven people.
December 19 » Park Geun-hye is elected the first female president of South Korea.
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/I186605.php : accessed March 5, 2026), "Klaas Boer (1920-2012)".
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