The temperature on April 20, 1868 was about 15.1 °C. There was 1 mm of rain. The air pressure was 22 kgf/m2 and came mainly from the southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 53%. 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).
April 11 » Former shōgun Tokugawa Yoshinobu surrenders Edo Castle to Imperial forces, marking the end of the Tokugawa shogunate.
June 1 » The Treaty of Bosque Redondo is signed, allowing the Navajo to return to their lands in Arizona and New Mexico.
August 18 » French astronomer Pierre Janssen discovers helium.
November 27 » American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.
November 30 » A statue of King Charles XII of Sweden is inaugurated in Stockholm's Kungsträdgården.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
Day of death March 21, 1869
The temperature on March 21, 1869 was about 10.5 °C. The air pressure was 13 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 37%. Source: KNMI
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 5 » The largest alluvial gold nugget in history, called the "Welcome Stranger", is found in Moliagul, Victoria, Australia.
July 10 » Gävle, Sweden, is largely destroyed in a fire; 80% of its 10,000 residents are left homeless.
August 16 » Battle of Acosta Ñu: A Paraguayan battalion made up of children is massacred by the Brazilian Army during the Paraguayan War.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
October 5 » The Hennepin Island tunnel collapses during construction, nearly destroying St. Anthony Falls.
November 11 » The Victorian Aboriginal Protection Act is enacted in Australia, giving the government control of indigenous people's wages, their terms of employment, where they could live, and of their children, effectively leading to the Stolen Generations.
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/I48298.php : accessed October 16, 2026), "Hendrik Poelstra (1868-1869)".
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