The temperature on June 19, 1910 was between 7.9 °C and 20.7 °C and averaged 14.8 °C. There was 11.4 hours of sunshine (68%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of marriage April 13, 1944
The temperature on April 13, 1944 was between 5.1 °C and 21.5 °C and averaged 13.5 °C. There was 2.2 mm of rain during 0.9 hours. There was 9.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 18 » Mount Vesuvius in Italy erupts, killing 26 people, causing thousands to flee their homes, and destroying dozens of Allied bombers.
April 16 » World War II: Allied forces start bombing Belgrade, killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
April 26 » Heinrich Kreipe is captured by Allied commandos in occupied Crete.
July 9 » World War II: Continuation War: Finland wins the Battle of Tali-Ihantala, the largest battle ever fought in northern Europe. The Red Army withdraws its troops from Ihantala and digs into a defensive position, thus ending the Vyborg–Petrozavodsk Offensive.
October 25 » Second World War: The final attempt of the Imperial Japanese Navy to win the war climaxes at the Battle of Leyte Gulf.
November 29 » World War II: Albania is liberated by the Partisans.
Day of death December 29, 1983
The temperature on December 29, 1983 was between 4.6 °C and 9.3 °C and averaged 7.7 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 16 » The Ash Wednesday bushfires in Victoria and South Australia kill 75.
May 6 » The Hitler Diaries are revealed as a hoax after being examined by new experts.
July 23 » Thirteen Sri Lanka Army soldiers are killed after a deadly ambush by the militant Liberation Tigers of Tamil Eelam.
August 18 » Hurricane Alicia hits the Texas coast, killing 21 people and causing over US$1 billion in damage (1983 dollars).
November 10 » Bill Gates introduces Windows 1.0.
December 27 » Pope John Paul II visits Mehmet Ali Ağca in Rebibbia's prison and personally forgives him for the 1981 attack on him in St. Peter's Square.
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/I120834.php : accessed October 22, 2026), "Catrynus Koopmans (1910-1983)".
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