The temperature on November 2, 1888 was about 9.8 °C. There was 0.3 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 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.
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.
January 13 » The National Geographic Society is founded in Washington, D.C.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
April 6 » Thomas Green Clemson dies, bequeathing his estate to the State of South Carolina to establish Clemson Agricultural College.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
September 8 » In England, the first six Football League matches are played.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
Day of marriage April 20, 1904
The temperature on April 20, 1904 was between 5.9 °C and 19.2 °C and averaged 12.5 °C. There was 11.7 hours of sunshine (82%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 22 » The United Kingdom sells a meteorological station on the South Orkney Islands to Argentina; the islands are subsequently claimed by the United Kingdom in 1908.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
Day of death June 1, 1963
The temperature on June 1, 1963 was between 12.1 °C and 22.4 °C and averaged 17.6 °C. There was 14.6 hours of sunshine (89%). The almost cloudless was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
June 3 » Soldiers of the South Vietnamese Army attack protesting Buddhists in Huế with liquid chemicals from tear-gas grenades, causing 67 people to be hospitalized for blistering of the skin and respiratory ailments.
June 21 » Cardinal Giovanni Battista Montini is elected as Pope Paul VI.
August 5 » Cold War: The United States, the United Kingdom, and the Soviet Union sign the Partial Nuclear Test Ban Treaty.
August 30 » The Moscow–Washington hotline between the leaders of the U.S. and the Soviet Union goes into operation.
November 9 » At Miike coal mine, Miike, Japan, an explosion kills 458, and hospitalises 839 with carbon monoxide poisoning.
November 18 » The first push-button telephone goes into service.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I345987.php : accessed January 6, 2026), "Hendrik Siemons (1888-1963)".
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