January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » Second Boer War: British troops relieve Mafeking.
June 14 » Hawaii becomes a United States territory.
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.
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 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
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 October 19, 2026), "Hinnerk AHLRICHS (1862-1917)".
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