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
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
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 10 » Greek Civil War: The Political Committee of National Liberation is established in Greece by the National Liberation Front.
April 25 » The United Negro College Fund is incorporated.
May 18 » World War II: Battle of Monte Cassino: Conclusion after seven days of the fourth battle as German paratroopers evacuate Monte Cassino.
June 22 » World War II: Opening day of the Soviet Union's Operation Bagration against the Army Group Centre.
August 15 » World War II: Operation Dragoon: Allied forces land in southern France.
November 19 » World War II: U.S. President Franklin D. Roosevelt announces the 6th War Loan Drive, aimed at selling US$14billion in war bonds to help pay for the war effort.
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.
March 6 » The first United States Football League games are played.
May 20 » Church Street bombing: A car bomb planted by Umkhonto we Sizwe explodes on Church Street in South Africa's capital, Pretoria, killing 19 people and injuring 217 others.
June 13 » Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune.
July 1 » A North Korean Ilyushin Il-62M jet en route to Conakry Airport in Guinea crashes into the Fouta Djallon mountains in Guinea-Bissau, killing all 23 people on board.
July 24 » The Black July anti-Tamil riots begin in Sri Lanka, killing between 400 and 3,000. Black July is generally regarded as the beginning of the Sri Lankan Civil War.
October 9 » South Korean President Chun Doo-hwan survives an assassination attempt in Rangoon, Burma (present-day Yangon, Myanmar), but the blast kills 21 and injures 17 others.
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 23, 2026), "Catrynus Koopmans (1910-1983)".
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