The temperature on December 30, 1911 was between 3.1 °C and 8.5 °C and averaged 6.6 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
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.
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.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage September 3, 1928
The temperature on September 3, 1928 was between 5.5 °C and 20.9 °C and averaged 13.8 °C. There was 8.0 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
March 12 » In California, the St. Francis Dam fails; the resulting floods kill 431 people.
May 15 » Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
December 6 » The government of Colombia sends military forces to suppress a month-long strike by United Fruit Company workers, resulting in an unknown number of deaths.
Day of death April 4, 2000
The temperature on April 4, 2000 was between 4.7 °C and 16.0 °C and averaged 10.1 °C. There was 0.1 mm of rain during 0.3 hours. There was 2.0 hours of sunshine (15%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: J.J. Top, "Family tree Familie Top", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-top/I2158.php : accessed January 10, 2026), "Constance-K. de Graef (1911-2000)".
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