What are the accomplishment of ancient Rome?

Answer 1

The foundation of the city of Rome

Formation of the Republic of Rome

The three Punic Wars against Carthage

The development of an empire in the Late Republic

The Roman civil wars of the Late Republic

The assassination of Julius Caesar.

The end of the Republic and the creation of rule by an emperor created by Augustus

The Crisis of the Third Century (an economic and military crisis)

The Creation of the tetrarchy (rule by four co-emperors) by emperor Diocletian.

The end of the Great Persecution of the Christians by the edict of Toleration by (emperor) Galerius and the Edict of Milan signed by co-emperors Constantine the Great and Licinus

The adoption of mainstream Christianity (Catholic and Orthodox) as the sole legitimate religion of the empire by co-emperors Theodosius I and Gratian.

The defeat at the battle of Adrianople by the Goths.

Fall of the western part of the Roman Empire caused by Germanic invasions invasions.

Answer 2

See the attached link.