[6] During the turbulent years of World War I, Miandoab, like others in the region, experienced famine and instability, as the Iranian government was in a state of chaos and political turmoil.

At the end of World War II, the Soviet Army took control of the region following the deportation of Reza Shah.

[2] Miandoab County's population history and administrative structure over three consecutive censuses are shown in the following table.

[6] The favorable geographical location led to high agricultural growth and as a result, the industrial development of Miandoab region.

Miandoab sugar factory was built in the early twentieth century with the cooperation of Belgian engineers.

Other ancient relics of this city are as follows: Hosseinabad mud and clay fort is located 15 km from Miandoab.

This historical monument, which is registered as one of the national monuments of Iran with the registration number 6402, was built on the road from Miandoab to the city of Chahar Borj in the village of Kouseh Lar on a duct called Aji Gobi, which is a tributary of the Zarrineh River.

Kouseh-lar Bridge dates back to the late Qajar period and has two piers, which are based on stone carcasses and lime mortar on not so strong foundations and are built for communication between the two sides of the duct.

[5] The Miandoab Museum was opened in 1968 with its prehistoric pottery, bronze relic from Lorestan and the post-Islamic period, decorative and national arts, various coins, anthropology, and so on.

Other historical monuments of this city include the churches of Hazrat Maryam, Georg and Hohans holly, the Qajar mosque arch and the ancient hill of Gug Tappeh.

Jan Agha is a village in the Baruq District of Miandoab city in the West Azarbaijan province of Iran.

Next to these houses, ways have been built with the floors which are paved, and the sides of which, like the wall, are made of tall, thin stones that act as tables.