During this war, Henry V won the Battle of Agincourt, while his opponents were inspired by Joan of Arc.
It's not a civil war, but both sides in this war contemporaneously backed opposing factions in the War of the Two Peters. In one of its final battles, a commander previously captured at Patay was killed. That battle in this war was won when Jean Bureau set up a ditch and cannon around his camp near Castillon. This war featured a military commander nicknamed "La Hire," who is traditionally associated with the image of the Jack of Hearts. One side had its navy destroyed at the Battle of (*) Sluys and suffered a decisive defeat on St. Crispin's Day. During this war, Henry V won the Battle of Agincourt, while his opponents were inspired by Joan of Arc. For 10 points, name this war between England and France that lasted from 1337 to 1453.
It's not a civil war, but both sides in this war contemporaneously backed opposing factions in the War of the Two Peters.
Hundred Years' War [or La Guerre de Cent Ans]