Series telling the story of the First World War. German submarines turned the North Sea into a no-go area for Britain's battleships. The British responded with a blockade. Show more
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Series telling the story of the First World War. German submarines turned the North Sea into a no-go area for Britain's battleships. The British responded with a blockade. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
