What year did roman started and ended?

Ancient Rome was created in 753 BC according to the legend about Romulus and Remus and Rome lasted until the fall of Byzantine Empire in 1453.

Explanation:

According to the legend of Romulus and Remus city of Rome was built in 753 BC, when the period of kings started. This period lasted until 509 BC when Roman Republic was established. Republic lasted until 27 BC when Empire was established. Roman Empire was divided in 395 AD into Western and Eastern Empire. Western Empire lasted until 476 when it was crushed by the barbaric tribes, and Eastern (Byzantine) lasted until 1453 when it was crushed by the Ottomans.

d. the right to establish a one-house legislature