January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
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.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
July 8 » The first issue of The Wall Street Journal is published.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death August 6, 1971
The temperature on August 6, 1971 was between 14.5 °C and 23.7 °C and averaged 18.2 °C. There was 0.4 mm of rain during 0.6 hours. There was 5.4 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 8 » The NASDAQ stock market index opens for the first time.
March 8 » The Fight of the Century between Joe Frazier and Muhammad Ali commences. Frazier wins in 15 rounds via unanimous decision.
July 11 » Copper mines in Chile are nationalized.
July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I588715.php : accessed January 28, 2026), "Jan de Vries (1889-1971)".
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