Battle of Breitenfeld (1631)
The Battle of Breitenfeld (; ) or First Battle of Breitenfeld (in older texts sometimes known as Battle of Leipzig), was fought at a crossroads near Breitenfeld approximately 8 km north-west of the walled city of Leipzig on 17 September (Gregorian calendar), or 7 September (Julian calendar, in wide use at the time), 1631. It was the Protestants' first major victory of the Thirty Years War.