World leaders with the power to make war but a duty to preserve peace solemnly marked the end of World War I, as commemorations drove home the message "never again" but also exposed the globe's new political fault lines.
Dozens of heads of state and government listened in silence, French President Emmanuel Macron used the occasion, as its host, to sound a powerful and sobering warning about the fragility of peace and the dangers of nationalism and of nations that put themselves first, above the collective good.
Commonwealth nations across the world marked the centenary with services to mark 100th anniversary of WWI's end.
