The temperature on August 12, 1911 was between 17.7 °C and 31.1 °C and averaged 24.3 °C. There was 10.3 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage May 20, 1937
The temperature on May 20, 1937 was between 12.2 °C and 22.5 °C and averaged 17.1 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
August 24 » Spanish Civil War: the Basque Army surrenders to the Italian Corpo Truppe Volontarie following the Santoña Agreement.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
Day of death June 5, 1989
The temperature on June 5, 1989 was between 3.8 °C and 15.8 °C and averaged 10.5 °C. There was 8.7 mm of rain during 2.6 hours. There was 8.6 hours of sunshine (52%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
June 4 » The Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 1,000 dead (an unofficial estimate).
August 23 » Singing Revolution: Two million people from Estonia, Latvia and Lithuania stand on the Vilnius–Tallinn road, holding hands.
August 24 » Tadeusz Mazowiecki is chosen as the first non-communist prime minister in Central and Eastern Europe.
October 17 » The 6.9 Mw Loma Prieta earthquake shakes the San Francisco Bay Area and the Central Coast, killing Sixty-three.
November 20 » Velvet Revolution: The number of protesters assembled in Prague, Czechoslovakia swells from 200,000 the day before to an estimated half-million.
December 1 » Philippine coup attempt: The right-wing military rebel Reform the Armed Forces Movement attempts to oust Philippine President Corazon Aquino in a failed bloody coup d'état.
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/I167830.php : accessed March 1, 2026), "Jan Buwalda (1911-1989)".
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