The temperature on July 15, 1912 was between 14.9 °C and 27.4 °C and averaged 21.6 °C. There was 12.1 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
Day of marriage December 6, 1934
The temperature on December 6, 1934 was between 7.7 °C and 11.7 °C and averaged 9.6 °C. There was 1.1 mm of rain during 1.3 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 1 » Alcatraz Island in San Francisco Bay becomes a United States federal prison.
May 15 » Kārlis Ulmanis establishes an authoritarian government in Latvia.
May 19 » Zveno and the Bulgarian Army engineer a coup d'état and install Kimon Georgiev as the new Prime Minister of Bulgaria.
May 21 » Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens.
May 28 » Near Callander, Ontario, Canada, the Dionne quintuplets are born to Oliva and Elzire Dionne; they will be the first quintuplets to survive infancy.
November 23 » An Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory. This leads to the Abyssinia Crisis.
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/I189976.php : accessed October 9, 2026), "Jantje de Jong (1912-)".
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