The temperature on August 4, 1870 was about 22.7 °C. There was 0.6 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 90%. 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 9 » US president Ulysses S. Grant signs a joint resolution of Congress establishing the U.S. Weather Bureau.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
June 22 » The United States Department of Justice is created by the U.S. Congress.
July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
September 20 » The Bersaglieri corps enter Rome through the Porta Pia, and complete the unification of Italy.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
Day of death May 1, 1887
The temperature on May 1, 1887 was about 10.5 °C. The air pressure was 12 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 48%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I3860.php : accessed October 25, 2026), "Johannes Franciscus Swertz (1870-1887)".
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