Dhaka, Nov. 5 -- On November 4, 1979, 66 Americans were taken hostage at the US Embassy in Tehran during the Iran hostage crisis. Forty-six years later, their daring escape remains one of the most remarkable rescue operations in history.

Six Americans avoided capture with the help of CIA officer Tony Mendez. He created a plan, known as the "Canadian Caper," that disguised the diplomats as a Canadian film crew scouting locations for a science-fiction movie named Argo.

After hiding in Canadian officials' homes, the six diplomats followed Mendez's plan to leave Iran safely in January 1980. The operation involved careful planning, fake documents, and a convincing cover story developed with Hollywood experts.

The story inspired the 2012 Hol...