The temperature on May 9, 1912 was between 8.3 °C and 17.9 °C and averaged 13.6 °C. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
January 23 » The International Opium Convention is signed at The Hague.
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.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I74717.php : accessed May 8, 2025), "Johannes Groen (1863-????)".
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