The temperature on May 2, 1911 was between 5.1 °C and 16.2 °C and averaged 11.0 °C. There was 1.9 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
Day of marriage May 19, 1949
The temperature on May 19, 1949 was between 4.5 °C and 20.0 °C and averaged 13.8 °C. There was 10.1 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 20 » Point Four Program a program for economic aid to poor countries announced by United States President Harry S. Truman in his inaugural address for a full term as President.
April 4 » Cold War: Twelve nations sign the North Atlantic Treaty creating the North Atlantic Treaty Organization.
May 4 » The entire Torino football team (except for two players who did not take the trip: Sauro Tomà, due to an injury and Renato Gandolfi, because of coach request) is killed in a plane crash.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
September 17 » The Canadian steamship SSNoronic burns in Toronto Harbour with the loss of over 118 lives.
November 18 » The Iva Valley Shooting occurs after the coal miners of Enugu in Nigeria go on strike over withheld wages; 21 miners are shot dead and 51 are wounded by police under the supervision of the British colonial administration of Nigeria.
Day of death March 13, 1995
The temperature on March 13, 1995 was between 2.5 °C and 14.4 °C and averaged 7.5 °C. There was 10.7 hours of sunshine (92%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
March 22 » Cosmonaut Valeri Polyakov returns to earth after setting a record of 438 days in space.
May 13 » Alison Hargreaves, a 33-year-old British mother, becomes the first woman to conquer Everest without oxygen or the help of sherpas.
June 29 » The Sampoong Department Store collapses in the Seocho District of Seoul, South Korea, killing 501 and injuring 937.
October 15 » Marco Campos dies in a race at the Circuit de Nevers Magny-Cours, the only driver ever killed in the International Formula 3000 series.
October 16 » The Million Man March takes place in Washington, D.C. About 837,000 attended.
December 3 » Cameroon Airlines Flight 3701 crashes on approach to Douala International Airport in Douala, Cameroon, killing 71 of the 76 people on board.
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/I118950.php : accessed October 20, 2026), "Folkert Zwaagstra (1911-1995)".
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