The temperature on July 20, 1911 was between 10.6 °C and 24.4 °C and averaged 18.8 °C. There was 6.7 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
October 5 » The Kowloon–Canton Railway commences service.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage April 4, 1940
The temperature on April 4, 1940 was between 4.6 °C and 11.0 °C and averaged 7.2 °C. There was 6.8 mm of rain during 2.2 hours. There was 4.5 hours of sunshine (34%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
June 17 » World War II: The British Army's 11th Hussars assault and take Fort Capuzzo in Libya, Africa from Italian forces.
June 18 » Appeal of 18 June by Charles de Gaulle.
September 7 » World War II: The German Luftwaffe begins the Blitz, bombing London and other British cities for over 50 consecutive nights.
September 29 » Two Avro Ansons collide in mid-air over New South Wales, Australia, remain locked together, then land safely.
October 21 » The first edition of the Ernest Hemingway novel For Whom the Bell Tolls is published.
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.
Day of death December 5, 1974
The temperature on December 5, 1974 was between 4.8 °C and 8.1 °C and averaged 6.3 °C. There was 7.4 mm of rain during 3.4 hours. There was 0.5 hours of sunshine (6%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 1 » A fire in the 25-story Joelma Building in São Paulo, Brazil kills 189 and injures 293.
March 1 » Watergate scandal: Seven are indicted for their role in the Watergate break-in and charged with conspiracy to obstruct justice.
March 29 » Terracotta Army was discovered in Shaanxi province, China.
May 1 » The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón.
August 30 » A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers.
September 25 » Dr. Frank Jobe performs first ulnar collateral ligament replacement surgery (better known as Tommy John surgery) on baseball player Tommy John.
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/I528402.php : accessed February 18, 2026), "Jan Roelf Rijkens (1911-1974)".
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