Principality of Asturias (Centered Icon)

Flag of the Principality of Asturias with the Asturian Cross Centered.

Fatimid Islamic Caliphate

Flag of the Fatimid Islamic Caliphate (909-1171)

Original Flag:
https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Fatimid_flag.svg/640px-Fatimid_flag.svg.png

Kingdom of Poland (Swedish Client State)

Flag of the Kingdom of Poland as a client State of the Kingdom of Sweden.

Sublime State of Persia (1834-1848)

Flag of the Sublime State of Persia during the rule of Mohammad Shah Qajar.

Original Flag:
https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Mohammad_Shah_Qajar_Flag.svg/640px-Mohammad_Shah_Qajar_Flag.svg.png

Serbian Empire

Flag of the Serbian Empire (1346-1371)