The temperature on October 28, 1911 was between 2.2 °C and 9.7 °C and averaged 6.7 °C. There was 1.5 mm of rain. There was 3.9 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
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.
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.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
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.
Day of death January 30, 1973
The temperature on January 30, 1973 was between 6.1 °C and 8.4 °C and averaged 7.3 °C. There was 2.3 mm of rain during 4.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
January 22 » In a bout for the world heavyweight boxing championship in Kingston, Jamaica, challenger George Foreman knocks down champion Joe Frazier six times in the first two rounds before the fight is stopped by referee Arthur Mercante.
February 27 » The American Indian Movement occupies Wounded Knee in protest of the federal government.
April 28 » The Dark Side of the Moon by Pink Floyd, recorded in Abbey Road Studios goes to number one on the US Billboard chart, beginning a record-breaking 741-week chart run.
July 29 » Driver Roger Williamson is killed during the Dutch Grand Prix, after a suspected tire failure causes his car to pitch into the barriers at high speed.
August 9 » Mars 7 is launched from the USSR.
September 26 » Concorde makes its first non-stop crossing of the Atlantic in record-breaking time.
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/I211374.php : accessed October 2, 2026), "Helena Anna Maria Coenen (1911-1973)".
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