The temperature on January 24, 1911 was between -1.5 °C and 4.4 °C and averaged 1.2 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 29 » Italy declares war on the Ottoman Empire.
October 5 » The Kowloon–Canton Railway commences service.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage May 31, 1937
The temperature on May 31, 1937 was between 8.1 °C and 20.0 °C and averaged 15.2 °C. There was 3.0 mm of rain during 0.9 hours. There was 6.7 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
Day of death August 7, 1990
The temperature on August 7, 1990 was between 9.6 °C and 20.4 °C and averaged 14.9 °C. There was -0.1 mm of rain. There was 7.7 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 12 » A seven-day pogrom breaks out against the Armenian civilian population of Baku, Azerbaijan, during which Armenians were beaten, tortured, murdered, and expelled from the city.
February 7 » Dissolution of the Soviet Union: The Central Committee of the Soviet Communist Party agrees to give up its monopoly on power.
March 2 » Nelson Mandela is elected deputy President of the African National Congress.
April 4 » The current flag of Hong Kong is adopted for post-colonial Hong Kong during the Third Session of the Seventh National People's Congress.
June 13 » First day of the June 1990 Mineriad in Romania. At least 240 strikers and students are arrested or killed in the chaos ensuing from the first post-Ceaușescu elections.
September 5 » Sri Lankan Civil War: Sri Lankan Army soldiers slaughter 158 civilians.
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/I133379.php : accessed October 8, 2026), "Geert Koning (1911-1990)".
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