We Were Soldiers Once and Young (Vietnam War - Mel Gibson movie based on this), Midnight in Chernobyl, On Desperate Ground (Korean War - Battle of the Chosin Reservoir), In Search of a Kingdom (Sir Francis Drake expedition)
The stories of Captain Cook and Sir Francis Drake were pretty fascinating since I'd always heard of them but didn't know anything about them - pretty incredible journeys. The details of Captain Cook's accidental discovery of the Hawaiian Islands, and England's rise to power empire was really because of how much gold and silver Drake stole from the Spanish in the New World - hint, it was a lot