The temperature on May 9, 1871 was about 12.2 °C. The air pressure was 7 kgf/m2 and came mainly from the north. The atmospheric humidity was 60%. 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).
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 19 » Franco-Prussian War: In the Siege of Paris, Prussia wins the Battle of St. Quentin. Meanwhile, the French attempt to break the siege in the Battle of Buzenval will end unsuccessfully the following day.
May 21 » Opening of the first rack railway in Europe, the Rigi Bahnen on Mount Rigi.
June 16 » The Universities Tests Act 1871 allows students to enter the universities of Oxford, Cambridge and Durham without religious tests (except for those intending to study theology).
July 30 » The Staten Island Ferry Westfield's boiler explodes, killing over 85 people.
October 24 » An estimated 17 to 20 Chinese immigrants are lynched in Los Angeles, California.
December 26 » Thespis, the first Gilbert and Sullivan collaboration, debuts. It does modestly well, but the two would not collaborate again for four years and the score has been lost.
Day of marriage May 19, 1900
The temperature on May 19, 1900 was about 9.0 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. Source: KNMI
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
Day of death February 15, 1925
The temperature on February 15, 1925 was between 2.0 °C and 7.8 °C and averaged 4.7 °C. There was 2.5 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
January 3 » Benito Mussolini announces he is taking dictatorial powers over Italy.
January 5 » Nellie Tayloe Ross of Wyoming becomes the first female governor in the United States.
April 16 » During the Communist St Nedelya Church assault in Sofia, Bulgaria, 150 are killed and 500 are wounded.
April 18 » The International Amateur Radio Union is formed in Paris.
May 25 » Scopes Trial: John T. Scopes is indicted for teaching human evolution in Tennessee.
July 21 » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching human evolution in class and fined $100.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I58611.php : accessed February 13, 2026), "Sjoerdje Boltjes (1871-1925)".
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