The temperature on December 9, 1913 was between 4.9 °C and 9.8 °C and averaged 7.3 °C. There was 4.4 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
March 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
May 29 » Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, France, provoking a riot.
June 19 » Natives Land Act, 1913 in South Africa implemented.
December 1 » Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
December 21 » Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I834.php : accessed January 1, 2026), "Roelof Leeuw (1889-????)".
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