The air pressure was 1.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 78%. Source: KNMI
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 21 » American Civil War: Battle of Valverde is fought near Fort Craig in New Mexico Territory.
April 5 » American Civil War: The Battle of Yorktown begins.
June 20 » Barbu Catargiu, the Prime Minister of Romania, is assassinated.
July 1 » Princess Alice of the United Kingdom, second daughter of Queen Victoria, marries Prince Louis of Hesse, the future Louis IV, Grand Duke of Hesse.
July 18 » First ascent of Dent Blanche, one of the highest summits in the Alps.
December 1 » In his State of the Union Address President Abraham Lincoln reaffirms the necessity of ending slavery as ordered ten weeks earlier in the Emancipation Proclamation.
Day of marriage July 4, 1888
The temperature on July 4, 1888 was about 20.0 °C. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 68%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 15 » Start of the Anglo-Tibetan War of 1888.
May 13 » With the passage of the Lei Áurea ("Golden Law"), Empire of Brazil abolishes slavery.
July 15 » The stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.
September 8 » Isaac Peral's submarine is first tested.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
October 21 » Foundation of the Swiss Social Democratic Party.
Day of death August 12, 1938
The temperature on August 12, 1938 was between 14.1 °C and 23.5 °C and averaged 18.5 °C. There was 3.6 mm of rain during 2.0 hours. There was 2.6 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
September 21 » The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500–700 people.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
October 1 » Germany annexes the Sudetenland.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I2478.php : accessed October 5, 2026), "Jacob Cornelius BOON (1862-1938)".
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