The temperature on December 23, 1887 was about -1.5 °C. The air pressure was 12 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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.
January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
March 1 » The Australian Army is formed.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
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/I86496.php : accessed October 19, 2026), "Jantina Catharina Gepkéa Grimmius (1887-1901)".
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