January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage June 12, 1912
The temperature on June 12, 1912 was between 12.1 °C and 22.6 °C and averaged 17.1 °C. There was 5.8 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 17 » British polar explorer Captain Robert Falcon Scott reaches the South Pole, one month after Roald Amundsen.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
Day of death July 1, 1917
The temperature on July 1, 1917 was between 14.5 °C and 20.4 °C and averaged 16.6 °C. There was 3.2 hours of sunshine (19%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
May 21 » The Great Atlanta fire of 1917 causes $5.5million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
July 12 » The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 12 » World War I: The First Battle of Passchendaele takes place resulting in the largest single-day loss of life in New Zealand history.
October 25 » Old Style date of the October Revolution in Russia.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I3356.php : accessed February 12, 2026), "Cornelis Geense (1889-1917)".
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