How many years iran old

Question

How many years iran old

Answer 1

Iran is home to one of the world's oldest continuous major civilizations, with historical and urban settlements dating back to 4000 BC.

The Medes unified Iran as a nation and empire in 625 BC..

Achaemenid Empire(550–330 BC) was the first of the Persian Empires to rule over Middle east, Greece and central Asia. They were succeeded by the Seleucid Empire, Parthians and Sassanids which governed Iran for more than 1000 years

Answer 2

Iran was known as the Persian Empire from around 600 B.C. until 1935 when it became known as Iran.  Iran must be at least 2600 years old and most likely a lot older.