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
Iran of the Iranians, surrounding themselves with a culture that was distinctively Iranian. By the 1500s, Ismail I of Ardabil established the Safavid Empire, with his capital at Tabriz. Beginning with Azerbaijan, he subsequently extended his authority over all of the Iranian territories, and established an intermittent Iranian hegemony over the vast relative regions, reasserting the Iranian identity within large parts of Greater Iran. Iran was predominantly Sunni, but Ismail instigated a forced conversion to the Shia branch of Islam, spreading throughout the Safavid territories in the Caucasus, Iran, Anatolia, and Mesopotamia. As a result, thereof, modern-day Iran is the only