The eleventh hour of the eleventh day of the eleventh month marks the signing of the Armistice, on 11th November 1918, to signal the end of World War One.
At 11 am on 11 November 1918 the guns of the Western Front fell silent after more than four years continuous warfare.
What is Remembrance Day?
Remembrance Day is on 11 November. It is a special day set aside to remember all those men and women who were killed during the two World Wars and other conflicts. At one time the day was known as Armistice Day and was renamed Remembrance Day after the Secod World War.
Remembrance Sunday is held on the second Sunday in November, which is usually the Sunday nearest to 11 November. Special services are held at war memorials and churches all over Britain.
A national ceremony takes place at the Cenotaph in Whitehall, London. The Queen lays the first wreath at the Cenotaph.