January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death September 29, 1900
The temperature on September 29, 1900 was about 12.0 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 97%. Source: KNMI
February 9 » The Davis Cup competition is established.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
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.
October 19 » Max Planck discovers Planck's law of black-body radiation.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I54890.php : accessed January 29, 2026), "Cornelis Franciscus Hesselberth (1900-1900)".
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