Iran but not with the United States, and not with Israel—a state which Iran's government has derecognized since the 1979 Revolution. Among Muslim nations, Iran has severe relationship with Saudi Arabia due to different political and Islamic ideologies while Iran is a Shia Islamic Republic and Saudi is a conservative Sunni monarchy. Regarding the Israeli–Palestinian conflict, the government of Iran has recognized Jerusalem as the capital of the State of Palestine, after Trump recognized Jerusalem as the capital of Israel. On 14 July 2015, Tehran and the P5+1 came to a historic agreement ("Joint Comprehensive Plan of Action") to end economic
History of Iran are further testament to that. The two main Neolithic Iranian settlements were the Zayandeh River Culture and Ganj Dareh. Parts of what is modern-day northwestern Iran was part of the Kura–Araxes culture (circa 3400 BC—ca. 2000 BC), that stretched up into the neighboring regions of the Caucasus and Anatolia. Susa is one of the oldest-known settlements of Iran and the world. Based on C14 dating, the time of foundation of the city is as early as 4395 BC, a time that goes beyond the age of civilization in Mesopotamia. The general perception among archeologists is that Susa was an extension