April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
December 30 » The British Colony of Natal annexes Zululand.
Day of death December 13, 1969
The temperature on December 13, 1969 was between -0.8 °C and 0.3 °C and averaged -0.3 °C. There was 0.2 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 12 » The New York Jets of the American Football League defeat the Baltimore Colts of the National Football League to win Super Bowl III in what is considered to be one of the greatest upsets in sports history.
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
April 22 » British yachtsman Sir Robin Knox-Johnston wins the Sunday Times Golden Globe Race and completes the first solo non-stop circumnavigation of the world.
July 20 » Apollo program: Apollo 11's crew successfully makes the first manned landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin become the first humans to walk on the Moon six and a half hours later.
July 21 » Apollo program: At 02:56 UTC, astronaut Neil Armstrong becomes the first person to walk on the Moon.
November 15 » Cold War: The Soviet submarine K-19 collides with the American submarine USS Gato in the Barents Sea.
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/I105348.php : accessed October 14, 2026), "Pier "Peter" Tjoelker (1897-1969)".
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