The temperature on September 19, 1911 was between 9.1 °C and 18.1 °C and averaged 13.1 °C. There was 5.4 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I3157.php : accessed February 15, 2026), "Antje Bulthuis (1911-)".
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