The temperature on April 8, 1912 was between 5.9 °C and 10.3 °C and averaged 9.0 °C. There was 2.8 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
When copying data from this family tree, please include a reference to the origin: E.A. Harmsen, "Family tree Harmsen-de Vries", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-harmsen-de-vries/I32949.php : accessed June 7, 2024), "Johanna Semeijn (1912-)".
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