The temperature on January 11, 1867 was about 3.5 °C. There was 0.1 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the north-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 83%. 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).
January 8 » African American men are granted the right to vote in Washington, D.C.
January 15 » Forty people die when ice covering the boating lake at Regent's Park, London, collapses.
March 2 » The U.S. Congress passes the first Reconstruction Act.
March 30 » Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
October 18 » United States takes possession of Alaska after purchasing it from Russia for $7.2million. Celebrated annually in the state as Alaska Day.
When copying data from this family tree, please include a reference to the origin: Irene Jolanda van der Meulen, "Family tree Feikje Samplonius", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-samplonius/I155.php : accessed February 14, 2026), "Hendrik Jans van der Werf (1867-????)".
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