States and territories disestablished in the 4th century

empire in Central and South Asia (30–375 AD)

c. 1070 BCE – c. CE 350 / kingdom in Nubia (modern-day Sudan), northeast Africa

The Tetrarchy was the system instituted by Roman emperor Diocletian to govern the ancient Roman Empire by dividing it between two emperors, the augusti, and their junior colleagues and designated successors, the caesares. It was kept in place between AD 293 and 324.

Greco-Scythian state near Sea of Azov (c.438 BC–c.527 AD)

Adiabene (Greek: Αδιαβηνή, ) was an ancient kingdom in northern Mesopotamia, corresponding to the northwestern part of ancient Assyria. The size of the kingdom varied over time; initially encompassing an area between the Zab Rivers, it eventually gained control of Nineveh and starting at least with the rule of Monobazos I (late 1st-century BCE), Gordyene became an Adiabenian dependency. It reached its zenith under Izates II, who was granted the district of Nisibis by the Parthian king Artabanus II () as a reward for helping him regain his throne. Adiabene's eastern borders stopped at the Zagro

Kition (Ancient Greek: , ; Latin: ; Egyptian: ; Phoenician: , , or , ;) was an ancient Phoenician and Greek city-kingdom on the southern coast of Cyprus (in present-day Larnaca), one of the ten city-kingdoms of Cyprus.

Province of the Roman Empire (132–390 CE)

Branch of Sasanian Persians ruling Bactria (c.230–c.365)

former country

confederation of protostates in southeastern Korean peninsula

Elmet (), sometimes Elmed or Elmete, was a Brythonic kingdom thought to have been an independent polity between the 4th century and sometime after the mid-7th century as part of the Hen Ogledd.

Roman province (74-325)

ancient Indian Chedi-Chandel dynasty

Roman Crimea (47 BC to c. 340 AD)

Roman province from 198 to end of 4th century

Indian dynasty (c. 225 – c.340)

events of the Eastern half of the Roman Empire from 324 to 378

Third-century empire in India

Dhanyawaddy (; ) was the capital of the first Arakan Kingdom, located in what is now Northern Rakhine State, Myanmar. The name is a corruption of the Pali word Dhannavati, which means "large area or rice cultivation or the rice bowl". Like many of its successors, the Kingdom of Dhanyawadi was based on trade between the East (pre-Pagan Myanmar, Pyu, China, the Mons), and the West (Indian subcontinent). thumb|Mahamuni Buddha shrine which is now in Mandalay, Myanmar The ancient city of Dhanyawaddy is located 6 miles east of Kyauktaw, Rakhine State, on the right side of the Thay Chaung River at t

the period of Roman control over the Southern Levant