The temperature on December 6, 1913 was between -3.3 °C and 5.6 °C and averaged 1.0 °C. There was 0.7 mm of rain. There was 4.8 hours of sunshine (60%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
June 24 » Greece and Serbia annul their alliance with Bulgaria.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
September 23 » Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).
December 1 » The Buenos Aires Metro, the first underground railway system in the Southern Hemisphere and in Latin America, begins operation.
December 14 » Haruna, the fourth and last Kongō-class ship, launches, eventually becoming one of the Japanese workhorses during World War I and World War II.
December 23 » The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System.
Day of death September 10, 1969
The temperature on September 10, 1969 was between 12.5 °C and 20.4 °C and averaged 15.2 °C. There was 0.1 mm of rain. There was 0.4 hours of sunshine (3%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
April 4 » Dr. Denton Cooley implants the first temporary artificial heart.
May 9 » Carlos Lamarca leads the first urban guerrilla action against the military dictatorship of Brazil in São Paulo, by robbing two banks.
August 13 » The Apollo 11 astronauts enjoy a ticker tape parade in New York City. That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon.
November 21 » U.S. President Richard Nixon and Japanese Premier Eisaku Satō agree on the return of Okinawa to Japanese control in 1972. The U.S. retains rights to bases on the island, but these are to be nuclear-free.
December 8 » Olympic Airways Flight 954 strikes a mountain outside of Keratea, Greece, killing 90 people in the worst crash of a Douglas DC-6 in history.
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/I167548.php : accessed October 14, 2026), "Hinderika Potze (1913-1969)".
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