The temperature on August 9, 1930 was between 12.0 °C and 19.3 °C and averaged 15.6 °C. There was 1.7 mm of rain during 0.5 hours. There was 3.6 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
September 8 » 3M begins marketing Scotch transparent tape.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
Day of death April 15, 1937
The temperature on April 15, 1937 was between 7.1 °C and 9.9 °C and averaged 8.5 °C. There was 1.0 mm of rain during 1.3 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17074.php : accessed January 20, 2026), "Willem Hendrik Frederick Groenewald (1905-1937)".
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