The temperature on December 13, 1912 was between 3.3 °C and 8.9 °C and averaged 6.4 °C. There was 1.5 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
May 8 » Paramount Pictures is founded.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of marriage May 12, 1934
The temperature on May 12, 1934 was between 11.7 °C and 24.5 °C and averaged 17.7 °C. There was 8.7 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 2 » The Export-Import Bank of the United States is incorporated.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
August 19 » The German referendum of 1934 approves Hitler's appointment as head of state with the title of Führer.
Day of death August 17, 1971
The temperature on August 17, 1971 was between 4.6 °C and 21.7 °C and averaged 14.5 °C. There was -0.1 mm of rain. There was 12.5 hours of sunshine (86%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
July 31 » Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
September 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
September 28 » The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
October 1 » Walt Disney World opens near Orlando, Florida.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
December 4 » The Indian Navy attacks the Pakistan Navy and Karachi.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I26692.php : accessed January 28, 2026), "Jantje de Vries (1912-1971)".
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