The construction of the artillery field [امام خمینی کنونی] It started in 1246 AD and by the order of Mirza Taqi Khan Amirkabir, in a rectangular field in the northern desert of the old artillery square (currently Citadel Square). Before that and since the time of Fath Ali Shah, this desert was reserved for placing cannons and gunners. The architect of the square was Mohammad Ibrahim Khan Azarbaijani (Kamran Mirza’s uncle). The construction of the square lasted for ten years and was finished in 1255 by the order of Mohammad Hassan Etimad al-Sultaneh. This square is one of the first passages in Tehran that was paved and later paved.
