About the day » Wednesday September 18, 1918Calender converter

• Antonius Johannes Kuipers, Geesteren († 2007)
• Avis Celia Kluck, Hartford, Minnehaha Co., SD († 2008)
• Benjamin van Ginkel, Bantham, Z-Celebes, Noi († 1988)
• Bernardus Hubertus Hof, Rotterdam († 1999)
• Adriana van der Schriek, Oosterhout, Noord-Brabant, Nederland († 2007)
• Antonia Johanna Looijen, Weltevreden (Indonesië) († 2008)
• Aafke Willems van der Helm, Siddeburen († 1989)
• Anneke Nillissen, Oeffelt († 1995)
• Arnold Nelson Welles, Argentina († 2002)
• 'Jean' Désiré CONVENT, Berchem (Antwerpen), 2600, Antwerpen, Belgique († 2009)

• Adriana Klunder (54), Rotterdam
• Adrianus Plomp (67), Stad Utrecht, prov. Utrecht, Nederland
• Albert Pieter Wilhelm Teller (36), Bussum
• Berend Stevens Duursma (85), Drachten
• Adrianus van Beest (42), Nijmegen
• Antonius Josephus Lodewijk Beniers (0), Strijp, Noord-Brabant, Nederland
• ALIDA MARGARETHA LOCK (79), DELFT
• Berend Stevens Duursma (85), Drachten, gem. Smallingerland, Friesland, Nederland
• Antonius Leonardus Dammen (0), Amsterdam
• Aafje Kiesling (81), Schagen, Noord-Holland, Nederland

• 1914 » Jack Cardiff, English director, cinematographer, and photographer († 2009)
• 1916 » Frank Bell, English soldier and educator († 1989)
• 1916 » John Jacob Rhodes, American lawyer and politician († 2003)
• 1916 » Rossano Brazzi, Italian actor († 1994)
• 1917 » Francis Parker Yockey, American lawyer and philosopher († 1960)
• 1917 » June Foray, American actress and voice artist († 2017)
• 1917 » Phil Taylor, English footballer and manager († 2012)
• 1918 » Johnny Mantz, American race car driver († 1972)
• 1919 » Tommy Hunter, American fiddler († 1993)
• 1920 » Jack Warden, American actor († 2006)

• 1890 » Dion Boucicault, Irish-American actor and playwright (b. 1820)
• 1896 » Hippolyte Fizeau, French physicist and academic (b. 1819)
• 1905 » George MacDonald, Scottish minister, author, and poet (b. 1824)
• 1909 » Grigore Tocilescu, Romanian archaeologist and historian (b. 1850)
• 1911 » Pyotr Stolypin, Russian lawyer and politician, 3rd Prime Minister of Russia (b. 1862)
• 1915 » Susan La Flesche Picotte, doctor, teacher, and social reformer, first Native American to earn a medical degree
• 1924 » F. H. Bradley, English philosopher and author (b. 1846)
• 1939 » Stanisław Ignacy Witkiewicz, Polish author, painter, and photographer (b. 1885)
• 1941 » Fred Karno, English actor and screenwriter (b. 1866)
• 1944 » Robert G. Cole, American colonel, Medal of Honor recipient (b. 1915)

• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• 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.
• In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• The Netherlands had about 6.6 million citizens.
• February 5 » SSTuscania is torpedoed off the coast of Ireland; it is the first ship carrying American troops to Europe to be torpedoed and sunk.
• March 16 » Finnish Civil War: Battle of Länkipohja is infamous for its bloody aftermath as the Whites executed 70–100 capitulated Reds.
• July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
• September 15 » World War I: Allied troops break through the Bulgarian defenses on the Macedonian front.
• October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
• November 21 » A pogrom takes place in Lwów (now Lviv); over three days, at least 50 Jews and 270 Ukrainian Christians are killed by Poles.

The temperature on September 18, 1918 was between 14.3 °C and 21.1 °C and averaged 16.6 °C. There was 2.8 mm of rain. There was 4.0 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south.