The temperature on December 20, 1910 was between 2.1 °C and 8.0 °C and averaged 5.7 °C. There was 0.2 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
July 24 » The Ottoman Empire captures the city of Shkodër, putting down the Albanian Revolt of 1910.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of marriage April 13, 1938
The temperature on April 13, 1938 was between 4.0 °C and 12.4 °C and averaged 7.7 °C. There was 0.5 mm of rain during 2.3 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 18 » Second Sino-Japanese War: During the Nanking Massacre, the Nanking Safety Zone International Committee is renamed "Nanking International Rescue Committee", and the safety zone in place for refugees falls apart.
March 3 » Oil is discovered in Saudi Arabia.
June 7 » The Douglas DC-4E makes its first test flight.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
October 1 » Germany annexes the Sudetenland.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death October 15, 2000
The temperature on October 15, 2000 was between 7.8 °C and 12.7 °C and averaged 10.3 °C. There was 0.4 mm of rain during 3.0 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 31 » Alaska Airlines Flight 261 crash: An MD-83, experiencing horizontal stabilizer problems, crashes in the Pacific Ocean off the coast of Point Mugu, California, killing all 88 aboard.
April 5 » UEFA Cup semi-final violence: Four Galatasaray fans are arrested for the stabbings to death of two Leeds United fans.
June 16 » The Secretary-General of the UN reports that Israel has complied with United Nations Security Council Resolution 425, 22years after its issuance, and completely withdrew from Lebanon. The Resolution does not encompass the Shebaa farms, which is claimed by Israel, Syria and Lebanon.
October 17 » The Hatfield rail crash leads to the collapse of Railtrack.
November 11 » Kaprun disaster: One hundred fifty-five skiers and snowboarders die when a cable car catches fire in an alpine tunnel in Kaprun, Austria.
November 13 » Philippine House Speaker Manny Villar passes the articles of impeachment against Philippine President Joseph Estrada.
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/I99358.php : accessed February 25, 2026), "Willem Knoop (1910-2000)".
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