Historical Events In 0855
Tuesday, 20 January 2026
Jun 17 Leo IV, Italian Pope (847-55), dies. 


Jul 17 St Leo IV ends his reign as Catholic Pope. 


Sep 29 In this year, Benedict III starts his reign as Catholic Pope 


Sep 29 Lotharius I, Romanian-French emperor (signed Treaty of Verdun), dies 


Sep 29 The Holy Roman Emperor Lothair dies September 29 at age 60 after dividing his lands between his three sons and is succeeded as emperor by his son of 33, who will reign until 875 as Louis II. 


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