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Dan explores the birth and development of chemical warfare during the First World War.
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Historian Robert Saunders from Queen Mary University of London talks about the elections in the past that he feels have most resonance and parallels today.
Northumbrian patriot' Dan Jackson, who has just written a book on the history of Northeast England and its people, comes on the podcast to talk about Northumbria's prestigious past.
Dan meets Field Marshall the Lord Bramall, who served from the Second World War until the 1980s.