Cologne War
The Cologne War was a conflict between Protestant and Catholic factions that devastated the Electorate of Cologne, a historical ecclesiastical principality of the Holy Roman Empire, within present-day North Rhine-Westphalia, in Germany. Wikipedia
Start date: 1583
End date: 1588
Participants: Ferdinand, King of the Romans acting for Charles V. Delegates from the Imperial Estates
Location: Electorate of Cologne and Augsburg