Treaty of Prüm

Treaty of Prüm
Division of the Frankish Empire after the Treaty of Prüm in 855.
  Lotharingia
  Italy
  East Francia
  West Francia
  Provence
Date19 September 855
LocationSchüller
ParticipantsLothair I, Lothair II, Louis II of Italy, Charles of Provence
OutcomeDivided Middle Francia into three kingdoms.

The Treaty of Prüm, concluded on 19 September 855, was the second of the main partition treaties of the Carolingian Empire. As Emperor Lothair I was approaching death, he divided his realm of Middle Francia among his three sons.