The temperature on December 1, 1911 was between 0.2 °C and 6.5 °C and averaged 4.9 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 29 » Italy declares war on the Ottoman Empire.
Day of death December 1, 1912
The temperature on December 1, 1912 was between -0.5 °C and 3.2 °C and averaged 1.5 °C. There was 4.4 mm of rain. There was 2.2 hours of sunshine (27%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
April 14 » The British passenger liner RMSTitanic hits an iceberg in the North Atlantic at 23:40 (sinks morning of April 15th).
October 3 » U.S. forces defeat Nicaraguan rebels at the Battle of Coyotepe Hill.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
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.)
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/I199942.php : accessed February 18, 2026), "Grietje Ritzema (1911-1912)".
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