WORLD CIVILIZATION

Detailed explanation-1: -The Persian Empire, also known as the Achaemenid Empire, lasted from approximately 559 B.C.E. to 331 B.C.E. At its height, it encompassed the areas of modern-day Iran, Egypt, Turkey, and parts of Afghanistan and Pakistan.

Detailed explanation-2: -On the day of the Persian New Year, March 21 1935, Reza Shah Pahlavi, requested foreign delegates to use the term Iran, instead of Persia, in a conscious reference to the ancient ancestry of the Iranians.

Detailed explanation-3: -Ancient Iran, historically known as Persia, was the dominant nation of western Asia for over twelve centuries, with three successive native dynasties-the Achaemenid, the Parthian, and the Sasanian-controlling an empire of unprecedented size and complexity.

Detailed explanation-4: -The Medes are credited with founding Iran as a nation and empire, and established the first Iranian empire, the largest of its day until Cyrus the Great established a unified empire of the Medes and Persians, leading to the Achaemenid Empire (c. 550–330 BC).