The Arc de Triomphe, or Triumphal Arch, was built on the orders of Napoléon I^er. Its construction began at the same time as that of the Arc de Triomphe du Carrousel, in 1806. By the time it was achieved in 1836, Napoléon had long since disappeared and a king sat once again on the French throne, namely Louis-Philippe.

Built on a hill, the Arc de Triomphe is easily visible both from the Place de la Concorde and the Esplanade de La Défense.

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Napoléon I^er had the arch built following the victorious battle of Austerlitz. Initially, he wanted it to be located on the east side of the city, near the Bastille, so that returning armies would enter the Faubourg Saint Antoine by passing under his arch. However, he could be convinced that the current location was better suited (especially for financial reasons).

Today, the Arc de Triomphe still is a monument with a strong historical connotation, which was only reinforced by the burial of the unknown soldier from WWI beneath it in 1921. The eternal flame arrived two years later, one of the first of its kind in the modern era. It is rekindled every evening at 6.30pm.
When the European Union flag was flown inside the Arc de Triomphe at the beginning of January 2022, to mark the French presidency of the European Union (January-June 2022), it earned much criticism, and the flag was taken down. (The EU circle of stars on a blue-illuminated Eiffel Tower was fine, as the tower does not bear the same historical significance.)

Several times a year, the sun rises or sets in the axis of the Arc de Triomphe: sunrise on February 4, 5 and 6 and November 7, sunset on May 7, 8 and 9 as well as August 3, 4 and 5.

Among the events that took place at the Arc de Triomphe, the most notable ones are the transfer of Napoléon I^er’s ashes in 1840, the vigil of Victor Hugo prior to his funeral in the Panthéon, and sadly the yellow-vest riots’s third protest on December 1^st, 2018, during which the Arc de Triomphe was smeared, damaged and graffitied.

In September 2021, the Arc de Triomphe was wrapped up by Christo and Jeanne Claude.