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How British code-breakers exposed a German plot against the United States in 1917
America declared war on Germany on 6 April 1917
It was one of the battles which symbolised the horror and futility of WW1
Veterans tell the story of how medical care dealt with the horrors of WW1
Veterans talk about their experience of 'shell shock' in recordings from the ÃÛÑ¿´«Ã½ archive
Germany launched a huge offensive on the Western Front in a last gamble to win the war.
Veterans remember the famous German air ace who was killed in April 1918
First-hand accounts of the Allied offensive that finally brought the bloody war to an end
Eyewitness accounts of the collapse of Germany in the final weeks of war in November 1918
On November 11th 1918, at 11 o'clock, the guns of World War One finally fell silent