Lasted 558-330 BCE. It was the first Persian empire and its capital was Persepolis.
He became king of the Persian tribes in 558 BCE. By 548 BCE all of Iran was under his control. He established the Achaemenid empire and it stretched from India to Egypt's borders. Reigned 558-530 BCE.
He reigned 521-486 BCE. He built roads, established a postal system, and standardized weights, measures, and money. He also replaced irregular tribute payments with formal taxes.
23 satrapies were appointed by the central government. The local officials came from the local population. The satraps' power was checked by military officers and "imperial spies".
Reigned 486-465 BCE. He retreated from the policy of cultural toleration and caused ill will and rebellions among the peoples in Mesopotamia and Egypt.
Alexander of Macedon
He invaded Persia in 334 BCE. He caused the end of the Achaemenid empire and burned the city of Persepolis.
It retained the Achaemenid system of administration. It lost control over India and Iran because of opposition from native Persians.
It was based in Iran and extended to Mesopotamia. It had a heavy calvary. Its government also followed Achaemenid administration.
They were from Persia. They toppled the Parthians and ruled 224-651 BCE. Their merchants brought in various crops from India and China. It officially sponsored Zoroastrianism. In 651 CE it was incorporated into the Islamic empire.
He ruled the Sasanid empire from 239-272 BCE. During this time they had buffer states with the Romans and a conflict with Kushan weakened the empire.