The temperature on August 9, 1911 was between 16.4 °C and 32.2 °C and averaged 24.4 °C. There was 12.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage April 20, 1943
The temperature on April 20, 1943 was between 3.9 °C and 16.0 °C and averaged 9.8 °C. There was 5.8 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
February 27 » In Berlin, the Gestapo arrest 1,800 Jewish men with German wives, leading to the Rosenstrasse protest.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
September 18 » World War II: Adolf Hitler orders the deportation of Danish Jews.
October 17 » Nazi Holocaust in Poland: Sobibór extermination camp is closed.
December 2 » World War II: A Luftwaffe bombing raid on the harbour of Bari, Italy, sinks numerous cargo and transport ships, including the American SSJohn Harvey, which is carrying a stockpile of World War I-era mustard gas.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
Day of death January 29, 1964
The temperature on January 29, 1964 was between 0.7 °C and 6.9 °C and averaged 3.1 °C. There was 0.1 mm of rain during 0.1 hours. There was 1.7 hours of sunshine (19%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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/I16335.php : accessed October 19, 2026), "Johannes Nicolai (1911-1964)".
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