The Pax Romana was a time of peace and prosperity in the Mediterranean region, which lasted from 27 BC to 180 AD. It was during this time that the Roman Empire, led by Emperor Augustus, was at its most powerful. Under the Pax Romana, the Roman Empire grew and expanded, and many people could travel and trade freely and safely. The Pax Romana was also known for its laws, which were fair and helped create a sense of order throughout the region. It also helped to create a sense of unity among different cultures, as people from different parts of the world interacted with each other for the first time.