August 9, 49 BC
A pivotal battle in 48 BCE where Julius Caesar's 22,000 troops defeated Pompey's larger force of 45,000 soldiers, effectively ending the Roman Civil War and transforming the Roman Republic.
January 1, 122
Emperor Hadrian orders the construction of a massive defensive wall spanning 73 miles across northern Britain, marking the northernmost boundary of Roman Britain. The project employed 15,000 soldiers and took six years to complete.
