The temperature on July 19, 1911 was between 11.4 °C and 22.0 °C and averaged 16.7 °C. There was 11.4 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
Day of marriage June 11, 1930
The temperature on June 11, 1930 was between 10.7 °C and 21.4 °C and averaged 15.5 °C. There was 7.6 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
Day of death May 20, 1993
The temperature on May 20, 1993 was between 11.2 °C and 22.9 °C and averaged 16.2 °C. There was 4.7 mm of rain during 2.9 hours. There was 3.7 hours of sunshine (23%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 13 » The Chemical Weapons Convention (CWC) is signed.
January 14 » In Poland's worst peacetime maritime disaster, ferry MS Jan Heweliusz sinks off the coast of Rügen, drowning 55 passengers and crew; nine crew-members are saved.
February 28 » The Bureau of Alcohol, Tobacco and Firearms agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh. Four ATF agents and six Davidians die in the initial raid, starting a 51-day standoff.
April 19 » The 51-day FBI siege of the Branch Davidian building in Waco, Texas, USA, ends when a fire breaks out. 76 Davidians, including eighteen children under the age of ten, died in the fire.
September 27 » The Sukhumi massacre takes place in Abkhazia.
November 4 » China Airlines Flight 605, a brand-new 747-400, overruns the runway at Kai Tak Airport.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I373376.php : accessed February 7, 2026), "Elizabeth Kalk (1911-1993)".
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