11.Ceremonies at the Tomb of Unknown Soldier take place every year in November.
12.In 1961, President John Kennedy honored the fallen at the tomb of Unknown Soldier.
13.It took 130 years from the time of construction to the first maintenance work to clean the facade.
In the early 1960s, the monument began to darken due to carbon deposits visibly, so it underwent a whitewashing operation in 1965-1966.
14.In 1995, the Armed Islamic Group planted and detonated an explosive charge under the arch, injuring 17 people.
Pick random facts
15.The finish line of the Tour-de-France is located under the Arc de Triomphe.
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