The temperature on February 14, 1870 was about -4.5 °C. The air pressure was 21 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. 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).
January 3 » Construction work begins on the Brooklyn Bridge in New York, United States.
July 19 » Franco-Prussian War: France declares war on Prussia.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
August 16 » Franco-Prussian War: The Battle of Mars-la-Tour is fought, resulting in a Prussian victory.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
Day of death May 9, 1906
The temperature on May 9, 1906 was between 9.2 °C and 22.4 °C and averaged 15.1 °C. There was 11.7 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 27 » The State Duma of the Russian Empire meets for the first time.
July 11 » Murder of Grace Brown by Chester Gillette in the United States, inspiration for Theodore Dreiser's An American Tragedy.
September 5 » The first legal forward pass in American football is thrown by Bradbury Robinson of St. Louis University to teammate Jack Schneider in a 22–0 victory over Carroll College (Wisconsin).
September 24 » U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation's first National Monument.
December 15 » The London Underground's Great Northern, Piccadilly and Brompton Railway opens.
December 30 » The All-India Muslim League is founded in Dacca, East Bengal, British India (later Dhaka, Bangladesh).
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/I55113.php : accessed October 3, 2026), "Hermanus Sietsma (1870-1906)".
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