The temperature on July 21, 1911 was between 14.5 °C and 28.1 °C and averaged 21.8 °C. There was 12.2 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage May 18, 1934
The temperature on May 18, 1934 was between 0.4 °C and 16.6 °C and averaged 9.6 °C. There was 13.1 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 1 » A "Law for the Prevention of Genetically Diseased Offspring" comes into effect in Nazi Germany.
February 9 » The Balkan Entente is formed.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
July 5 » "Bloody Thursday": Police open fire on striking longshoremen in San Francisco.
October 16 » Chinese Communists begin the Long March to escape Nationalist encirclement.
Day of death July 7, 1974
The temperature on July 7, 1974 was between 11.6 °C and 18.5 °C and averaged 14.8 °C. There was 6.3 hours of sunshine (38%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 7 » Grenada gains independence from the United Kingdom.
February 22 » The Organisation of the Islamic Conference summit begins in Lahore, Pakistan. Thirty-seven countries attend and twenty-two heads of state and government participate. It also recognizes Bangladesh.
March 29 » Terracotta Army was discovered in Shaanxi province, China.
June 26 » The Universal Product Code is scanned for the first time to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio.
July 20 » Turkish invasion of Cyprus: Forces from Turkey invade Cyprus after a coup d'état, organised by the dictator of Greece, against president Makarios.
October 19 » Niue becomes a self-governing colony of New Zealand.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I101664.php : accessed October 23, 2026), "Jan Westra (1911-1974)".
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