January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
March 15 » Heian Shrine is founded.
March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of death November 29, 1967
The temperature on November 29, 1967 was between 2.9 °C and 8.3 °C and averaged 6.4 °C. There was 20.6 mm of rain during 9.2 hours. The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 27 » Cold War: The Soviet Union, the United States, and the United Kingdom sign the Outer Space Treaty in Washington, D.C., banning deployment of nuclear weapons in space, and limiting use of the Moon and other celestial bodies to peaceful purposes.
February 10 » The 25th Amendment to the United States Constitution is ratified.
March 12 » Suharto takes power from Sukarno when the People's Consultative Assembly inaugurate him as Acting President of Indonesia.
June 10 » The Six-Day War ends: Israel and Syria agree to a cease-fire.
July 23 » Detroit Riots: In Detroit, one of the worst riots in United States history begins on 12th Street in the predominantly African American inner city. It ultimately kills 43 people, injures 342 and burns about 1,400 buildings.
November 30 » South Yemen becomes independent from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3161.php : accessed March 5, 2026), "Tjitske Sytske Hettinga (1895-1967)".
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