The temperature on June 23, 1911 was between 12.2 °C and 19.3 °C and averaged 15.2 °C. There was 6.4 mm of rain. There was 1.2 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 21 » The first Monte Carlo Rally takes place.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage March 27, 1937
The temperature on March 27, 1937 was between -1.8 °C and 6.1 °C and averaged 1.9 °C. There was 2.4 mm of rain during 1.2 hours. There was 3.5 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
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.
Day of death February 20, 1997
The temperature on February 20, 1997 was between 6.2 °C and 10.3 °C and averaged 8.3 °C. There was -0.1 mm of rain. There was 4.0 hours of sunshine (39%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
February 4 » En route to Lebanon, two Israeli Sikorsky CH-53 troop-transport helicopters collide in mid-air over northern Galilee, Israel killing 73.
February 11 » Space Shuttle Discovery is launched on a mission to service the Hubble Space Telescope.
March 18 » The tail of a Russian Antonov An-24 charter plane breaks off while en route to Turkey causing the plane to crash and killing all 50 people on board.
June 28 » Holyfield–Tyson II: Mike Tyson is disqualified in the third round for biting a piece off Evander Holyfield's ear.
September 11 » NASA's Mars Global Surveyor reaches Mars.
November 27 » Twenty-five people are killed in the second Souhane massacre in Algeria.
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/I119019.php : accessed February 11, 2026), "Pieter Postma (1911-1997)".
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