(L-R) British Prime Minister Boris Johnson, former prime ministers David Cameron, Gordon Brown, Tony Blair and John Major attend the annual Remembrance Sunday memorial at The Cenotaph on November 10, 2019 in London, England. The armistice ending the First World War between the Allies and Germany was signed at Compiègne, France on eleventh hour of the eleventh day of the eleventh month - 11am on the 11th November 1918.