The temperature on April 30, 1930 was between 3.5 °C and 14.3 °C and averaged 9.2 °C. There was 13.1 hours of sunshine (88%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
June 16 » Sovnarkom establishes decree time in the USSR.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
December 29 » Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory and outlines a vision for the creation of Pakistan.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I58150.php : accessed May 12, 2025), "Frans Heinrich Velzel (1908-)".
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