That November, supporters of a new religious leader in Iran, Ayatollah Ruhollah Khomeini, captured the United States embassy in Tehran.

VOA: special.2010.09.25

The latter phrase dates to Iran's 1979 Islamic revolution that brought Ayatollah Ruhollah Khomeini to power.

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Montazeri was once a confidant of Ayatollah Ruhollah Khomeini, who led Iran for a decade after the revolution.

CNN: Dissident senior cleric dies in Iran

After the 1979 Islamic revolution, informal consultation was the norm between the different offices of state, and disputes were settled by the then supreme leader, Ayatollah Ruhollah Khomeini.

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