Services remember world war dead
Services of commemoration are being held around the world to mark Armistice Day, the end of World War I in 1918.
At a speech at Arlington National Cemetery, US President Barack Obama said no tribute could match the service and sacrifice of the armed forces.
Earlier, Angela Merkel became the first German chancellor to mark the day by attending French events in Paris.
In London, the Queen, politicians and British Armed Forces chiefs recalled the passing of the WWI generation.
Mr Obama laid a wreath at the Tomb of the Unknowns at Arlington National Cemetery, where America's war dead are buried.
He praised the "extraordinary bravery and service" of the armed forces past and present.
"To the veterans, the fallen and their families - there is no tribute, no commemoration, no praise that can truly match the magnitude of your service and your sacrifice," he said.
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At a speech at Arlington National Cemetery, US President Barack Obama said no tribute could match the service and sacrifice of the armed forces.
Earlier, Angela Merkel became the first German chancellor to mark the day by attending French events in Paris.
In London, the Queen, politicians and British Armed Forces chiefs recalled the passing of the WWI generation.
Mr Obama laid a wreath at the Tomb of the Unknowns at Arlington National Cemetery, where America's war dead are buried.
He praised the "extraordinary bravery and service" of the armed forces past and present.
"To the veterans, the fallen and their families - there is no tribute, no commemoration, no praise that can truly match the magnitude of your service and your sacrifice," he said.