The temperature on August 19, 1911 was between 11.1 °C and 22.3 °C and averaged 17.0 °C. There was 8.6 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
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 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage May 16, 1939
The temperature on May 16, 1939 was between 7.1 °C and 15.5 °C and averaged 10.3 °C. There was 26.6 mm of rain during 8.3 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
February 5 » Generalísimo Francisco Franco becomes the 68th "Caudillo de España", or Leader of Spain.
July 28 » The Sutton Hoo helmet is discovered.
September 6 » World War II: South Africa declares war on Nazi Germany.
September 14 » World War II: The Estonian military boards the Polish submarine ORPOrzeł in Tallinn, sparking a diplomatic incident that the Soviet Union will later use to justify the annexation of Estonia.
September 28 » World War II: The siege of Warsaw comes to an end.
October 8 » World War II: Germany annexes western Poland.
Day of death September 13, 1999
The temperature on September 13, 1999 was between 14.1 °C and 25.4 °C and averaged 18.9 °C. There was 8.1 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
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/I135954.php : accessed February 22, 2026), "Jeltje Roorda (1911-1999)".
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