The temperature on January 31, 1911 was between -5.9 °C and 0.3 °C and averaged -3.3 °C. There was 8.2 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
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 August 28, 1940
The temperature on August 28, 1940 was between 5.9 °C and 17.8 °C and averaged 11.9 °C. There was 9.3 hours of sunshine (67%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 28 » Basketball is televised for the first time (Fordham University vs. the University of Pittsburgh in Madison Square Garden).
April 14 » World War II: Royal Marines land in Namsos, Norway in preparation for a larger force to arrive two days later.
June 14 » The Soviet Union presents an ultimatum to Lithuania resulting in Lithuanian loss of independence.
June 21 » World War II: Italy begins an unsuccessful invasion of France.
August 15 » An Italian submarine torpedoes and sinks the Greek cruiserElli at Tinos harbor during peacetime, marking the most serious Italian provocation prior to the outbreak of the Greco-Italian War in October.
August 20 » In Mexico City, exiled Russian revolutionary Leon Trotsky is fatally wounded with an ice axe by Ramón Mercader. He dies the next day.
Day of death August 19, 1969
The temperature on August 19, 1969 was between 15.9 °C and 23.1 °C and averaged 19.1 °C. There was 1.3 mm of rain during 1.9 hours. There was 3.0 hours of sunshine (21%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 16 » Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of manned spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
March 3 » Apollo program: NASA launches Apollo 9 to test the lunar module.
May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
July 24 » Apollo program: Apollo 11 splashes down safely in the Pacific Ocean.
December 1 » Vietnam War: The first draft lottery in the United States is held since World War II.
December 4 » Black Panther Party members Fred Hampton and Mark Clark are shot and killed during a raid by 14 Chicago police officers.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I45967.php : accessed February 14, 2026), "Petrus Johannes Christoffel de Graauw (1911-1969)".
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