James Holland
@WW2Headquarters·114K subscribers·233 videos
The Cartography Behind History's Biggest Invasion | D-Day Maps with James Holland
Posted
January 4, 2026
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10:59Now Playing👉Check out our DDay Series! James Holland and Al Murray walk the ground of the Normandy invasionWW2
WW2 historian James Holland examines the extraordinary maps created for Operation Overlord, the D-Day invasion of Normandy on 6 June 1944, at the British Library's Secret Maps exhibition.
From coastal intelligence to invasion planning maps used by Allied commanders, James explores how cartography shaped the success of history's largest amphibious assault. These original maps reveal how the Allies analysed Normandy beaches, defences, terrain and inland routes, transforming intelligence into a plan that put tens of thousands of men ashore under fire.
See up close how accurate mapping was as vital to D-Day's success as ships, tanks and aircraft – and why the sheer scale and secrecy of Overlord planning required unprecedented cartographic precision.
Subscribe to WW2 Headquarters for more WW2 films with James Holland and Al Murray exploring the people, objects and decisions that shaped the Second World War.
Secrets Maps at the British Library is open until 18 January 2026. Tickets for Secret Maps are £20, with offpeak pricing and concessions available, more information here
Additional Footage of Ready 4 Duty taken by Adam Simpkins, Skytrain Media
#DDay #WW2 #Normandy #OperationOverlord #WW2History #MilitaryHistory #JamesHolland #BritishLibrary #HistoryDocumentary #SecondWorldWar
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