The edifice was built in the 16th century in Qazvin, which was Irans capital at the time.
The building was once fully repaired in the Qajar era.
Chehel Sotoun was registered in the list of Irans national heritage in 1956.
In 1970s, it was restored to its former glory.
The building, located near the central square of the old city, has served as a calligraphy museum since 2001.
What follows are ISNAs photos of the edifice:
