That river rich in history is the Euphrates River. The Tigris River and Euphrates River gave the ancient name "Mesopotamia" ("Land between the Rivers") to a region that was an ancient cradle of civilization. The lengthy Euphrates River originates in eastern Turkey, flows through Syria and Iraq, and then joins the Tigris River in the "Shatt al-Arab" ("River of the Arabs") which flows out into the Persian Gulf.
The answer is 4. Someone may disagree that this was his major accomplishment. And the other options are stated as fact
Diwali, Divali, Deepavali is the Hindu festival of lights, usually lasting five days and celebrated during the Hindu Lunisolar month Kartika (between mid-October and mid-November). One of the most popular festivals of Hinduism, Diwali symbolizes the spiritual "victory of light over darkness, good over evil, and knowledge over ignorance".
It's changed a lot over time during the reign o each presidents
