March 28 in History
AD 37 – Roman emperor Caligula accepts the titles of the Principate, bestowed on him by the Senate.
193 – After assassinating the Roman Emperor Pertinax, his Praetorian Guards auction off the throne to Didius…
March 26 in History
590 – Emperor Maurice proclaims his son Theodosius as co-emperor of the Byzantine Empire.
1027 – Pope John XIX crowns Conrad II as Holy Roman Emperor.
1169 – Saladin becomes the emir of Egypt.