Denis Diderot
b. 1713
French philosopher and critic
On This Day · The 278th day of the year
October 5 carries 10 recorded events spanning between 869 and 2011. The Fourth Council of Constantinople is convened to depose patriarch Photios I.
Compiled & reviewed by Roman Tailor · Last reviewed July 13, 2026
October 5 is the 278th day of the year. It marks 10 notable events in history, dated between 869 and 2011. Famous people born on October 5 include Denis Diderot, Reinhard Selten and Michael Grabner.
From 869 to 2011, October 5 gathers 1,142 years of history. Most of the weight falls in the 20th century, where conflict is a recurring thread.
Libra is the sign for October 5 — read more on the Libra page, or see October's birthstone & birth flower.
Release data from TMDB & IGDB.
The Fourth Council of Constantinople is convened to depose patriarch Photios I.
The Eastman tunnel, in Minnesota, United States, collapses during construction, causing a landslide that nearly destroys St. Anthony Falls.
World War I: An aircraft successfully destroys another aircraft with gunfire for the first time.
The Jarrow March sets off for London.
World War II: Pacific Theater: Ninety-eight American POWs are executed by Japanese forces on Wake Island.
The United States suspends the Commercial Import Program in response to repression of the Buddhist majority by the regime of President Ngo Dinh Diem.
A Chilean opposition coalition defeats Augusto Pinochet in his re-election attempt.
Swiss police find the bodies of 48 members of the Order of the Solar Temple, who had died in a cult mass murder-suicide.
The Ladbroke Grove rail crash in West London kills 31 people.
In the Mekong River massacre, two Chinese cargo boats are hijacked and 13 crew members murdered.
b. 1713
French philosopher and critic
b. 1930
German economist and mathematician, Nobel Prize laureate
b. 1987
Austrian ice hockey player
b. 1873
French fencer
b. 1829
American general, lawyer, and politician, 21st President of the United States
b. 1936
Czech poet, playwright, and politician, 1st President of the Czech Republic
b. 1912
German physician and convicted war criminal
b. 1988
German singer-songwriter
Historical facts, event summaries, and biographical lines above are adapted from Wikipedia under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. DateLore adds curation, structure, and original editorial commentary. DateLore is not affiliated with the Wikimedia Foundation.
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