The temperature on April 21, 1913 was between -1.5 °C and 13.6 °C and averaged 8.3 °C. There was 3.9 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 2 » Grand Central Terminal is opened in New York City.
May 30 » The Treaty of London is signed, ending the First Balkan War; Albania becomes an independent nation.
July 4 » President Woodrow Wilson addresses American Civil War veterans at the Great Reunion of 1913.
August 16 » Completion of the Royal Navy battlecruiser HMSQueen Mary.
November 7 » The first day of the Great Lakes Storm of 1913, a massive blizzard that ultimately killed 250 and caused over $5 million (about $118,098,000 in 2013 dollars) damage. Winds reach hurricane force on this date.
December 14 » Haruna, the fourth and last Kongō-class ship, launches, eventually becoming one of the Japanese workhorses during World War I and World War II.
Day of marriage July 31, 1941
The temperature on July 31, 1941 was between 10.0 °C and 19.6 °C and averaged 14.8 °C. There was 4.6 hours of sunshine (30%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 22 » World War II: British and Commonwealth troops capture Tobruk from Italian forces during Operation Compass.
March 28 » World War II: Britain's Mediterranean Fleet sinks three heavy cruisers and two destroyers of Italy's Regia Marina.
May 2 » Following the coup d'état against Iraq Crown Prince 'Abd al-Ilah earlier that year, the United Kingdom launches the Anglo-Iraqi War to restore him to power.
November 14 » World War II: The aircraft carrier HMSArk Royal sinks due to torpedo damage from the German submarineU-81 sustained on November 13.
December 5 » World War II: In the Battle of Moscow, Georgy Zhukov launches a massive Soviet counter-attack against the German army.
December 25 » Admiral Émile Muselier seizes the archipelago of Saint Pierre and Miquelon, which become the first part of France to be liberated by the Free French Forces.
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/I187418.php : accessed October 24, 2026), "Klaas Postma (1913-)".
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