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
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
January 23 » The International Opium Convention is signed at The Hague.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
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.
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 30, 2026), "Johanna Jacomina Dreyer (1912-)".
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