The temperature on August 31, 1887 was about 16.5 °C. There was 0.7 mm of rain. The air pressure was 32 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. 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 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
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 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of marriage December 12, 1908
The temperature on December 12, 1908 was between 0.2 °C and 8.2 °C and averaged 4.6 °C. There was 10.1 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 24 » The first Boy Scout troop is organized in England by Robert Baden-Powell.
April 11 » SMSBlücher, the last armored cruiser to be built by the Imperial German Navy, is launched.
April 20 » Opening day of competition in the New South Wales Rugby League.
June 18 » The University of the Philippines is established.
June 30 » The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.
October 14 » The Chicago Cubs defeat the Detroit Tigers, 2–0, clinching the 1908 World Series; this would be their last until winning the 2016 World Series.
Day of death February 12, 1968
The temperature on February 12, 1968 was between -0.5 °C and 5.1 °C and averaged 2.6 °C. There was 0.4 mm of rain during 1.0 hours. There was 2.1 hours of sunshine (22%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I3702.php : accessed January 20, 2026), "Aaltje Plakmeijer (1887-1968)".
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