The temperature on October 18, 1887 was about 11.3 °C. The air pressure was 7 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 77%. 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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage May 23, 1908
The temperature on May 23, 1908 was between 5.9 °C and 15.0 °C and averaged 10.8 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
June 27 » A group of Vietnamese tirailleurs conducts a failed attempt to poison the entire French army's garrison in the Hanoi Citadel with the aim to make way for Hoàng Hoa Thám's rebel army to capture Hanoi.
August 17 » Fantasmagorie, the first animated cartoon, created by Émile Cohl, is shown in Paris, France.
September 17 » The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.
September 27 » Production of the Model T automobile begins at the Ford Piquette Avenue Plant in Detroit.
October 13 » Margaret Travers Symons bursts into the UK parliament and became the first woman to speak there.
November 7 » Butch Cassidy and the Sundance Kid are reportedly killed in San Vicente Canton, Bolivia.
Day of death October 4, 1971
The temperature on October 4, 1971 was between 3.4 °C and 16.2 °C and averaged 12.0 °C. There was 0.2 mm of rain during 1.0 hours. There was 5.2 hours of sunshine (45%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
February 24 » The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed three days earlier. P.K. Mookiah Thevar is appointed as the new chairman.
April 17 » The Provisional Government of Bangladesh is formed.
June 11 » The U.S. Government forcibly removes the last holdouts to the Native American Occupation of Alcatraz, ending 19 months of control.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
November 21 » Indian troops, partly aided by Mukti Bahini (Bengali guerrillas), defeat the Pakistan army in the Battle of Garibpur.
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/I364984.php : accessed February 27, 2026), "Harmke Ploeger (1887-1971)".
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