The temperature on February 13, 1913 was between 1.6 °C and 5.6 °C and averaged 3.6 °C. There was 0.1 mm of rain. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. 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.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
March 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
Day of marriage June 23, 1937
The temperature on June 23, 1937 was between 9.5 °C and 21.3 °C and averaged 15.2 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 7 » The Peel Commission Report recommends the partition of Palestine, which was the first formal recommendation for partition in the history of Palestine.
September 21 » J. R. R. Tolkien's The Hobbit is published.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I5489.php : accessed January 17, 2026), "Peter van den Os (1913-)".
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