The Seleucid Empire was a Greek power in West Asia during the Hellenistic period. It was founded in 312 BC by the Macedonian general Seleucus I Nicator, following the division of the Macedonian Empire founded by Alexander the Great, and ruled by the Seleucid dynasty until its annexation by the Roman Republic under Pompey in 63 BC.
"Chandra Gupta Maurya entertains his bride from Babylon": a conjectural interpretation of the "marriage agreement" between the Seleucids and Chandragupta Maurya, related by Appian
Coin of Seleucus I Nicator
In Bactria, the satrap Diodotus asserted independence to form the Greco-Bactrian kingdom c. 245 BC.
The Roman Republic was the era of classical Roman civilization beginning with the overthrow of the Roman Kingdom and ending in 27 BC with the establishment of the Roman Empire. During this period, Rome's control expanded from the city's immediate surroundings to hegemony over the entire Mediterranean world.
The "Capitoline Brutus", a bust possibly depicting Lucius Junius Brutus, who led the revolt against Rome's last king and was a founder of the Republic.
Bust of Pyrrhus, found in the Villa of the Papyri at Herculaneum, now in the Naples Archaeological Museum.
Coin of Hiero II of Syracuse