The temperature on May 20, 1912 was between 10.1 °C and 19.0 °C and averaged 14.0 °C. There was 5.8 mm of rain. There was 3.3 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
Day of marriage July 5, 1930
The temperature on July 5, 1930 was between 13.0 °C and 22.6 °C and averaged 18.3 °C. There was 0.2 mm of rain during 0.3 hours. There was 5.0 hours of sunshine (30%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
June 17 » U.S. President Herbert Hoover signs the Smoot–Hawley Tariff Act into law.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
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/I18613.php : accessed January 31, 2026), "Johanna Jacomina Dreyer (1912-)".
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