The temperature on September 13, 1912 was between 5.3 °C and 16.5 °C and averaged 10.9 °C. There was 3.1 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage November 12, 1936
The temperature on November 12, 1936 was between 5.9 °C and 12.5 °C and averaged 9.4 °C. There was 4.6 mm of rain during 2.7 hours. There was 1.8 hours of sunshine (20%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
January 8 » Kashf-e hijab decree is made and immediately enforced by Reza Shah, Iran's head of state, banning the wearing of Islamic veils in public.
January 15 » The first building to be completely covered in glass, built for the Owens-Illinois Glass Company, is completed in Toledo, Ohio.
April 27 » The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
May 5 » Italian troops occupy Addis Ababa, Ethiopia.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
December 13 » An annular solar eclipse occurred and was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).
Day of death February 3, 1953
The temperature on February 3, 1953 was between -0.1 °C and 1.2 °C and averaged 0.6 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
June 2 » The coronation of Queen Elizabeth II, who is crowned Queen of the United Kingdom, Canada, Australia, New Zealand and Her Other Realms and Territories & Head of the Commonwealth, the first major international event to be televised.
June 18 » The Egyptian revolution of 1952 ends with the overthrow of the Muhammad Ali dynasty and the declaration of the Republic of Egypt.
June 26 » Lavrentiy Beria, head of MVD, is arrested by Nikita Khrushchev and other members of the Politburo.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
November 21 » The Natural History Museum, London announces that the "Piltdown Man" skull, initially believed to be one of the most important fossilized hominid skulls ever found, is a hoax.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I8196.php : accessed October 18, 2026), "Adriaan Arie Clement (1912-1953)".
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