The temperature on March 4, 1868 was about 10.9 °C. The air pressure was 17 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 68%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 2 » Pro-Imperial forces captured Osaka Castle from the Tokugawa shogunate and burned it to the ground.
May 16 » The United States Senate fails to convict President Andrew Johnson by one vote.
May 26 » The Impeachment of Andrew Johnson ends with his acquittal by one vote.
May 30 » Decoration Day (the predecessor of the modern "Memorial Day") is observed in the United States for the first time after a proclamation by John A. Logan, head of the Grand Army of the Republic (a veterans group).
August 18 » French astronomer Pierre Janssen discovers helium.
December 25 » Pardons for ex-Confederates: United States President Andrew Johnson grants an unconditional pardon to all Confederate veterans.
Day of marriage May 12, 1909
The temperature on May 12, 1909 was between 5.0 °C and 16.8 °C and averaged 11.2 °C. There was 1.5 mm of rain. There was 3.7 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
Day of death November 1, 1956
The temperature on November 1, 1956 was between -3.8 °C and 8.5 °C and averaged 3.0 °C. There was 0.2 mm of rain during 0.6 hours. There was 5.9 hours of sunshine (61%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 9 » The 7.7 Mw Amorgos earthquake shakes the Cyclades island group in the Aegean Sea with a maximum Mercalli intensity of IX (Violent). The shaking and the destructive tsunami that followed left fifty-three people dead. A damaging M7.2 aftershock occurred minutes after the mainshock.
October 15 » FORTRAN, the first modern computer language, is first shared with the coding community.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
November 1 » The Springhill mining disaster in Springhill, Nova Scotia kills 39 miners; 88 are rescued.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I45411.php : accessed February 14, 2026), "Ieke Denkema (1868-1956)".
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