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 23 » The International Opium Convention is signed at The Hague.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
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.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
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 28, 2026), "Johanna Jacomina Dreyer (1912-)".
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