The First World War - carnage on a scale never-before seen. But how did it all start? And how did some key figures of WWII fare in the earlier war?

The First World War - carnage on a scale never-before seen. But how did it all start? And how did some key figures of WWII fare in the earlier war?

Little-known events that played a large role in determining the outcome of World War II are revealed in this documentary series.