The temperature on May 22, 1873 was about 13.9 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 3 » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene literature and articles of immoral use" through the mail.
May 23 » The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
June 5 » Sultan Barghash bin Said of Zanzibar closes the great slave market under the terms of a treaty with Great Britain.
August 30 » Austrian explorers Julius von Payer and Karl Weyprecht discover the archipelago of Franz Josef Land in the Arctic Sea.
September 15 » Franco-Prussian War: The last Imperial German Army troops leave France upon completion of payment of indemnity.
Day of marriage May 6, 1899
The temperature on May 6, 1899 was about 14.0 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 46%. Source: KNMI
January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of death July 13, 1923
The temperature on July 13, 1923 was between 18.9 °C and 33.0 °C and averaged 26.0 °C. There was 10.6 hours of sunshine (65%). The average windspeed was 3 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.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
June 9 » Bulgaria's military takes over the government in a coup.
August 23 » Captain Lowell Smith and Lieutenant John P. Richter performed the first mid-air refueling on De Havilland DH-4B, setting an endurance flight record of 37 hours.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I5557.php : accessed February 23, 2026), "Hermannes Hennephof (1873-1923)".
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