April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » The People's Party is founded in Cuba.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death December 28, 1917
The temperature on December 28, 1917 was between -6.3 °C and 1.3 °C and averaged -2.2 °C. There was 1.6 mm of rain. There was 4.2 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
June 4 » The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World.
July 28 » The Silent Parade took place in New York City, in protest to murders, lynchings, and other violence directed towards African Americans.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
December 18 » The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I10544.php : accessed February 17, 2026), "Hinnerk AHLRICHS (1862-1917)".
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