The temperature on November 28, 1912 was between -1.5 °C and 5.2 °C and averaged 2.0 °C. There was 5.6 mm of rain. There was 2.3 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
June 8 » Carl Laemmle incorporates Universal Pictures.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
Day of marriage June 4, 1937
The temperature on June 4, 1937 was between 10.9 °C and 17.9 °C and averaged 14.4 °C. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
Day of death May 21, 1997
The temperature on May 21, 1997 was between 9.4 °C and 16.9 °C and averaged 12.3 °C. There was 18.9 mm of rain during 5.6 hours. There was 1.0 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I137466.php : accessed October 25, 2026), "Ettina Antina Heerema (1912-1997)".
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