Iran Celebrates the Revolution's Fortieth Anniversary—Twelve Blocks from the White House
By Robin Wright
Iran marks 40 years since Islamic Revolution with nostalgia and threats
By Claudia Otto, Tamara Qiblawi & Frederik Pleitgen
It's been 40 years since Iran's Islamic Revolution. Here's how the country has changed
By Melissa Etehad
Timeline of the Iranian revolution
By William Maclean, Bozorgmehr Sharafedin & Babak Dehghanpisheh