April 25 » New York becomes the first U.S. state to require automobile license plates.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death August 18, 1917
The temperature on August 18, 1917 was between 12.1 °C and 23.8 °C and averaged 17.4 °C. There was 7.5 mm of rain. There was 9.7 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
October 13 » The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Portugal.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
When copying data from this family tree, please include a reference to the origin: H. Panjer, "Family tree Panjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_panjer/I89.php : accessed October 21, 2026), "Harmannus Panjer (1901-1917)".
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