Iran celebrated the 10th anniversary of its Islamic revolution by marking the minute Ayatollah Ruhollah Khomeini arrived home from exile.

Millions of the 88-year-old leader's supporters cheered, rang bells, exploded fireworks at the appointed hour Wednesday, Tehran Radio said. There were sports tournaments, cultural festivals and street reenactments of revolutionary events.The celebrations will climax Feb. 11, the anniversary of the day the last government formed by the late Shah Mohammad Reza Pahlavi collapsed and the revolutionaries took over to proclaim the Islamic republic.

Khomeini, living at that time in Paris, returned in triumph to Tehran.