The temperature on February 8, 1911 was between -2.5 °C and 4.8 °C and averaged 1.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
Day of marriage November 11, 1938
The temperature on November 11, 1938 was between 4.4 °C and 12.9 °C and averaged 8.8 °C. There was 3.1 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 28 » The World Land Speed Record on a public road is broken by Rudolf Caracciola in the Mercedes-Benz W195 at a speed of 432.7 kilometres per hour (268.9mph).
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
October 5 » In Nazi Germany, Jews' passports are invalidated.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
November 14 » The Lions Gate Bridge, connecting Vancouver to the North Shore region, opens to traffic.
Day of death April 22, 1970
The temperature on April 22, 1970 was between 9.6 °C and 13.4 °C and averaged 11.0 °C. There was 0.3 mm of rain during 0.6 hours. There was 0.6 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
September 6 » Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
October 10 » Canada's October Crisis escalates when Quebec's vice-premier is kidnapped by members of the FLQ.
When copying data from this family tree, please include a reference to the origin: P.Heres, "Family tree Van Apeldoorn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-apeldoorn/I1099500306.php : accessed June 22, 2024), "Martin Bernhard IJzerman (1911-1970)".
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