400
After Caesar's death in 44 BC, Octavian or Augustus Caesar became the leader; from 27 BC to 180 CE a period of Roman Peace and Prosperity called the Pax Romana occured. Name some of the accomplishments...
What are construction of bridges, aqueducts, and roads; common language (Latin) promoted unity; common coinage to facilitate trade; stadiums for entertainment; Jesus was born in Judea and Christianity was spread easily because of Roman roads?