Roman Emperors · Question

Which emperor extended Roman citizenship to all free men in the empire with the Antonine Constitution? (r. 198-217 AD)

Answer

Caracalla

The story behind the answer

Caracalla is correct: in 212 CE he issued the Antonine Constitution (Constitutio Antoniniana), also called the Edict of Caracalla, granting Roman citizenship to virtually all free men across the empire. This sweeping decree expanded the tax base (citizens paid certain taxes) and helped standardize legal rights, strengthening imperial control

More to discover

Which emperor built the famous Baths of Caracalla in Rome? (r. 198-217 AD) Which teenage emperor was known for religious controversy and was assassinated at age 18? (r. 218-222 AD) Which emperor initiated the first empire-wide persecution of Christians? (r. 249-251 AD) Which emperor was captured by the Sassanid Persians and died in captivity? (r. 253-260 AD)