The temperature on February 20, 1887 was about 1.4 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of marriage July 15, 1910
The temperature on July 15, 1910 was between 9.6 °C and 21.6 °C and averaged 16.1 °C. There was 7.4 hours of sunshine (45%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
Day of death December 9, 1964
The temperature on December 9, 1964 was between 9.1 °C and 13.0 °C and averaged 11.3 °C. There was 4.8 mm of rain during 7.1 hours. There was 0.3 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 30 » In a bloodless coup, General Nguyễn Khánh overthrows General Dương Văn Minh's military junta in South Vietnam.
April 7 » A bulldozer kills Rev. Bruce W. Klunder, a civil rights activist, during a school segregation protest in Cleveland, Ohio, sparking a riot.
August 4 » Second Gulf of Tonkin Incident: U.S. destroyers USSMaddox and USSTurner Joy mistakenly report coming under attack in the Gulf of Tonkin.
October 1 » Japanese Shinkansen ("bullet trains") begin high-speed rail service from Tokyo to Osaka.
October 10 » The Tokyo Summer Olympics opening ceremony is the first to be relayed live by satellites.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I19615.php : accessed February 2, 2026), "Hendrikje Blom (1887-1964)".
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