The temperature on August 28, 1888 was about 16.5 °C. The air pressure was 12 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
June 29 » George Edward Gouraud records Handel's Israel in Egypt onto a phonograph cylinder, thought for many years to be the oldest known recording of music.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
September 4 » George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.
September 30 » Jack the Ripper kills his third and fourth victims, Elizabeth Stride and Catherine Eddowes.
Day of marriage May 30, 1912
The temperature on May 30, 1912 was between 5.5 °C and 19.9 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 8.7 hours of sunshine (53%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
April 2 » The ill-fated RMSTitanic begins sea trials.
June 8 » Carl Laemmle incorporates Universal Pictures.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
Day of death February 6, 1942
The temperature on February 6, 1942 was between -9.1 °C and -3.6 °C and averaged -6.4 °C. There was 0.4 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I1481.php : accessed January 25, 2026), "Hendrik Valk (1888-1942)".
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