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Battle of Monte Porzio - The Battle of Monte Porzio or Battle of Tusculum was fought on 29 May 1167, Whit Sunday, between the Holy Roman Empire and the city of Rome between a small hill outside the city of Tusculum and the city walls, at a place called "Prataporci", about 15 miles southeast of Rome. In the historical book Chronica Universalis, Sicardo wrote about the site of battle:...apud Montem Portium.