January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 31 » The Eiffel Tower is officially opened.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage February 21, 1912
The temperature on February 21, 1912 was between -2.1 °C and 8.8 °C and averaged 5.0 °C. There was 1.6 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
September 2 » Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
Day of death August 19, 1966
The temperature on August 19, 1966 was between 14.3 °C and 25.4 °C and averaged 19.5 °C. There was 12.0 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 31 » The Soviet Union launches the unmanned Luna 9 spacecraft as part of the Luna program.
July 18 » Human spaceflight: Gemini 10 is launched from Cape Kennedy on a 70-hour mission that includes docking with an orbiting Agena target vehicle.
September 16 » The Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera Antony and Cleopatra.
October 22 » The Supremes become the first all-female music group to attain a No. 1 selling album (The Supremes A' Go-Go).
November 2 » The Cuban Adjustment Act comes into force, allowing 123,000 Cubans the opportunity to apply for permanent residence in the United States.
November 8 » Former Massachusetts Attorney General Edward Brooke becomes the first African American elected to the United States Senate since Reconstruction.
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/I102528.php : accessed October 17, 2026), "Marten de Haan (1889-1966)".
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