Iran has marked the 38th anniversary of the massacre of protesters in Tehran by the countrys former US-backed regime.
People in the capital gathered in the Martyrs Square, formerly known as Jaleh square, on Wednesday to commemorate those who lost their lives during a landmark protest.
On September 8, 1978, Iraniansdefied a curfew to take to the streets, demanding an end to the rule of MohammadReza Shah.
Troopssurrounded the protesters and opened machine-gun fire on them, leaving hundreds of themdead.
The event, falling on Shahrivar 17 on the Persian calendar,has come to be known as the"Black Friday" anda symbol of resistance against repression.
It touched offa series of protestswhich led to the overthrow of the Pahlavi regime afew months later.
The unrest following the massacre forced the Shah to leave Iran in January 1979, ushering inthe Islamic Revolution of Iran led by Imam Khomeini a month later.
"All these people are here to once again pledge allegiance to those who lost their lives for the victory of the Islamic Revolution, aparticipant at the Wednesdayceremony told Press TV.
The victories achieved after Shahrivar 17th were all the results of martyrs sacrifices, he said.