The complex was designed by architect Eugene Aftandilian, influenced by the Vienna State Opera, and was constructed during a period of ten years starting in 1957.

[1] It was equipped with the latest lighting and sound system technologies of the time, with revolving and moving stages.

At his return, he was appointed as manager of the upcoming opera house, and established the technical, administrative, and artistic sections of the Vahdat Hall.

A part of the White Revolution, the Vahdat Hall of Tehran was inaugurated by Mohammad Reza Shah and Shahbanu Farah Pahlavi on 26 October 1967 with the performance of the Rustic Festival, the first Persian opera, composed by Ahmad Pejman.

Other troupes, ensembles, and artists, such as the Iranian folk dancers, also used the stage of the Vahdat Hall for their performances.