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  -Ruled from 306 to 337
- He was the first Christian emperor born February 27, 272 CE and died in May 22, 337 CE
- Constantine meets Maxentius in the Milvian Bridge and when he defeats him he cuts his head off and parades it to the city.
- The edict of Milan was a ruling that any religion is accepted. - 
  
  
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- Ruled from 379 to 395
 - Born in 347 and died in 395
 - He was a key emperor in the Byzantine Empire
 - In one of the civil wars the empire had he defeated Magnus Maximus
 - There was a plague in 540. it was a desease that affected the Eastern Byzantine Empire but especially the capital of Constantinople.
 
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- Ruled from 527 to 565
 - Born in 483 and died in 565
 - He created a set of laws called the Justinian Code
 - The Nika Riots where protesting because of the raising of taxes.
 - Justinian to deal with this he send the people to the hippodrome so he can make a deal with them but instead he killed them.
 - He built the Hagia Sofia six weeks after so people will think nothing terrible happened.