The temperature on July 30, 1912 was between 12.6 °C and 19.3 °C and averaged 15.4 °C. There was 0.8 mm of rain. There was 3.8 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 23 » The International Opium Convention is signed at The Hague.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
Day of death April 29, 1917
The temperature on April 29, 1917 was between 7.2 °C and 13.3 °C and averaged 9.5 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
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/I4193.php : accessed October 2, 2026), "Jinke de Boer (1912-1917)".
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