The temperature on July 3, 1911 was between 4.0 °C and 17.0 °C and averaged 10.8 °C. There was 3.0 mm of rain. There was 6.9 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage April 18, 1931
The temperature on April 18, 1931 was between -1.5 °C and 10.6 °C and averaged 4.5 °C. There was 0.3 mm of rain during 0.2 hours. There was 7.1 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
May 14 » Five unarmed civilians are killed in the Ådalen shootings, as the Swedish military is called in to deal with protesting workers.
August 24 » Resignation of the United Kingdom's Second Labour Government. Formation of the UK National Government.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death February 11, 1975
The temperature on February 11, 1975 was between -0.6 °C and 10.2 °C and averaged 5.3 °C. There was 0.6 mm of rain during 1.2 hours. There was 0.2 hours of sunshine (2%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 10 » Vietnam War: Ho Chi Minh Campaign: North Vietnamese troops attack Ban Mê Thuột in the South on their way to capturing Saigon in the final push for victory over South Vietnam.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
June 1 » The Patriotic Union of Kurdistan was founded by Jalal Talabani, Nawshirwan Mustafa, Fuad Masum and others.
June 24 » Eastern Air Lines Flight 66 encounters severe wind shear and crashes on final approach to New York's JFK Airport killing 113 of the 124 passengers on board, making it the deadliest U.S. plane crash at the time. This accident led to decades of research into downburst and microburst phenomena and their effects on aircraft.
October 16 » The Australian Coalition sparks a constitutional crisis when they vote to defer funding for the government's annual budget.
November 22 » Juan Carlos is declared King of Spain following the death of Francisco Franco.
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/I138170.php : accessed December 28, 2025), "Jurjen de Haan (1911-1975)".
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