The temperature on May 9, 1931 was between 5.9 °C and 17.5 °C and averaged 10.7 °C. There was 7.7 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
March 11 » Ready for Labour and Defence of the USSR, abbreviated as GTO, is introduced in the Soviet Union.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
March 26 » Swissair is founded as the national airline of Switzerland.
April 14 » The Spanish Cortes deposes King Alfonso XIII and proclaims the Second Spanish Republic.
June 23 » Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
When copying data from this family tree, please include a reference to the origin: P.Heres, "stamboom Mondria", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mondria/I1099521410.php : accessed September 26, 2024), "Jan van Werven (1901-)".
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