The temperature on February 7, 1868 was about 7.0 °C. The air pressure was 5 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. 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).
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).
July 25 » The Wyoming Territory is established.
August 18 » French astronomer Pierre Janssen discovers helium.
October 10 » The Ten Years' War begins against Spanish rule in Cuba.
November 4 » Camagüey, Cuba, revolts against Spain during the Ten Years' War.
December 9 » 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 marriage May 18, 1889
The temperature on May 18, 1889 was about 14.8 °C. There was 20 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
February 11 » Meiji Constitution of Japan is adopted.
March 31 » The Eiffel Tower is officially opened.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
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/I45614.php : accessed December 29, 2025), "Margaretha de Boer (1868-????)".
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