Above: A crowd of Persian Prime Minister Mohammed Mossadegh supporters, armed with long sticks tear down a statue of Shah Reza, father of the Shah of Iran, in Tehran
Above: President Dwight D. Eisenhower and Shah Mohammed Reza Pahlevi of Iran pose on Dec. 14, 1959 at Marble Palace in Tehran, Iran following Eisenhower's arrival from India on his 11-nation goodwill tour.
Above: President Ford and Secretary of State Kissinger shake hands at the White House just prior to ceremonies for the State Visit of the Shah of Iran, May 15, 1975.
Above: One of the hostages seized when Islamic radicals stormed the U.S. Embassy in Tehran, blindfolded and with his hands bound, is displayed to the crowd outside the U.S. Embassy in Tehran by the Iranian hostage-takers on Nov. 9, 1979.
Above: Iraqi troops entrenched along the highway connecting Abadan with Khorramshahr on Oct. 19, 1980 while smoke drifting in background comes from an oil refinery near Abadan, which was set by Iraqi artillery bombardment.
Above: U.S. President Ronald Reagan tells reporters that "I'm not taking any more questions," during a news conference in the White House briefing room, on Nov. 25, 1986. Reagan announced to reporters the resignation of national security adviser Vice Adm. John Poindexter and the firing of Poindexter's aide Lt. Col. Oliver North.
Above: Mourners carry coffins through the streets of Tehran on July 7, 1988 during a mass funeral four days after the Iranian airliner is shot down.
Above: This satellite image shows the Bushehr nuclear power plant, dome in top center, on July 6, 2002 in Bushehr, Iran, 750 miles southwest of Tehran.
Above: Alireza Jafarzadeh, U.S. representative of the National Council of Resistance of Iran, holds a copy of "Islamic Fundamentalism" during a Washington news conference on Aug. 14, 2002 where he discussed his organization's new information of top secret projects of the Iranian regime's nuclear program.
. January 29, 2002: President George W. Bush describes Iran, Iraq and North Korea as an "axis of evil" during his State of the Union address, causing an outrage in Iran among conservatives and reformists.
Above: Iranian technicians work at the Bushehr nuclear power plant, outside the southern city of Bushehr, Iran.
Above: President Barack Obama, followed by British Prime Minister Gordon Brown, center, and French President Nicolas Sarkozy, arrive to make a statement on Iran's nuclear facility, on Sept. 25, 2009, during the G-20 Summit in Pittsburgh.
Above: Hassan Rouhani was declared the winner in Iran's presidential election on June 15, 2013.
Above: French Foreign Minister Laurent Fabius and British Foreign Minister William Hague speak together while U.S. Secretary of State John Kerry and Jordanian Foreign Minister Nasser Judeh speak together, after a joint press conference at the foreign ministry in Paris, France.