Christians were persecuted (treated badly for their religious beliefs) by the Romans

Chrisitians were killed for their belief in Christianity and not worshipping the emperor

Nero blamed Christians for a fire that spread through Rome and had thousands of Christians killed

Being a Christian was punishable by death in ancient Rome

Christians worshipped in secret because of their fear of being caught

Constantine prayed for help the night before a battle 

He saw a vision of the cross and had his soldiers paint the cross on their shields

Constantine won the battle and put an end to the Christian persecution

Constantine became emperor and made changes in the way Christians were treated

He built churches and made Sunday the Christian day of rest

Constantine ruled for a long time and after his reign, Theodosius officially closed the Roman temples and made Christianity the official religion of Rome

As Christianity becomes legal, Christian leaders are able to organize and begin to give the church structure

Churches were led by a priest and groups of churches were led by a bishop

The apostle Peter was the first bishop of the Roman Christian church

The Bishop of the Christian church eventually becomes the Pope 

The Pope was the leader of the Roman Catholic Church

The church announced that the standard belief in Christianity was the belief in the Fathers, Son, and Holy Ghost

Christianity became a powerful religion