The 2nd century CE is known for the Roman Empire's territorial peak and cultural prosperity.

• Major Events
  1. Pax Romana continues under the "Five Good Emperors"
  2. Expansion into Dacia and Arabia Petraea
• Major Empires
  1. Roman Empire
  2. Parthian Empire
• Major Conflicts
  1. Roman–Parthian wars
  2. Jewish–Roman wars continue
• Population Trends
  1. Urban and trade growth across the Mediterranean
• Key Leaders
  1. Trajan
  2. Hadrian
• Key Intellectuals
  1. Galen (Medicine/Philosophy)
• Major Religions
  1. Roman Religion, Early Christianity
• Currency
  1. Roman Denarius, Aureus