This documentary charts the defining role the Royal Navy played in Britains struggle for modernity - a grand tale of the twists and turns which thrust the people of .\rbr\rbrIn this 4 part BBC series, British historian and sailor Dan Snow charts the defining role the Royal Navy played in Britains struggle for modernity. Official Web Site: .\rbr\rbrEpisode 1 of 4. Heart of the Oak Historian Dan Snow charts the defining role the Royal Navy played in Britains struggle for modernity - a grand tale of the twists .