The temperature on June 10, 1911 was between 4.8 °C and 16.6 °C and averaged 11.0 °C. There was 8.0 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death January 20, 1912
The temperature on January 20, 1912 was between -2.3 °C and 7.0 °C and averaged 0.3 °C. There was 6.7 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I1732.php : accessed January 24, 2026), "Cornelis Johannes (van) Berlo (1911-1912)".
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