The temperature on February 6, 1911 was between -2.6 °C and 6.8 °C and averaged 3.0 °C. There was 1.5 hours of sunshine (16%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
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.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of death September 4, 1977
The temperature on September 4, 1977 was between 4.4 °C and 19.6 °C and averaged 12.4 °C. There was -0.1 mm of rain. There was 11.9 hours of sunshine (88%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
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.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
May 1 » Thirty-six people are killed in Taksim Square, Istanbul, during the Labour Day celebrations.
May 31 » The Trans-Alaska Pipeline System is completed.
September 4 » The Golden Dragon massacre takes place in San Francisco.
October 6 » The first prototype of the Mikoyan MiG-29, designated 9-01, makes its maiden flight.
October 13 » Hijacking of Lufthansa Flight 181 by the Popular Front for the Liberation of Palestine.
December 13 » Air Indiana Flight 216 crashes near Evansville Regional Airport, killing 29, including the University of Evansville basketball team, support staff, and boosters of the team.
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/I208605.php : accessed February 21, 2026), "Roelof "Ralph" Falkena (1911-1977)".
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