The temperature on February 22, 1868 was about 7.7 °C. The air pressure was 10 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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).
June 1 » The Treaty of Bosque Redondo is signed, allowing the Navajo to return to their lands in Arizona and New Mexico.
July 28 » The 14th Amendment to the United States Constitution is certified, establishing African American citizenship and guaranteeing due process of law.
August 18 » French astronomer Pierre Janssen discovers helium.
September 19 » La Gloriosa begins in Spain.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
September 25 » The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
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The Family tree Van Ewijk publication was prepared by Petronella van Ewijk (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Petronella van Ewijk, "Family tree Van Ewijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-ewijk/R252.php : accessed January 28, 2026), "Mechtelina v kalkeren van Kalkeren (1838-1913)".
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