Drone reveals Somme battlefields 100 years on - BBC News
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Why the Germans Torpedoed the Lusitania
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World war 1 veteran | Sidney Williams | Stories from the front | This Week | 1970
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Gallipoli: Drone video of WWI battlefield - BBC News
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Planes - WW1 Uncut - Dan Snow - BBC
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The Bomb Collector of Ypres | The New York Times
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Nasa makes history with closest-ever approach to Sun | BBC News
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How the Assassination of Archduke Franz Ferdinand Unfolded with Dan Snow
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