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

Sublime State of Persia (Amir Kabir Design)

Flag of the Sublime State of Persia designed by Qajar Chief Minister Amir Kabir.

Original Flag:
https://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Amir_Kabir_Flag.svg/640px-Amir_Kabir_Flag.svg.png

Sublime State of Persia/Imperial State of Iran (1907-1933 Derivative)

Derivative Flag of the Qajar Sublime State of Persia adopted in 1907. It would be used during the early years of the Pahlavi dynasty until 1933.

Naval Ensign of Pahlavi Persia (1933-1964)

Naval Ensign of the Imperial State of Iran from 1933 to 1964.

Original Flag:
https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/Naval_Ensign_of_Iran_%281933-1964%29.svg/640px-Naval_Ensign_of_Iran_%281933-1964%29.svg.png

Imperial State of Persia/Iran

State Flag of the Imperial State of Persia/Iran, also known as the Persian Empire under the Pahlavi Dynasty, the proportions Darkest Hour uses closely following the flag from 1964-1980, although the same colors were also used for the 1933-1964 version.

Original Flags:
1933-1964:
https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/State_Flag_of_Iran_%281933-1964%29.svg/640px-State_Flag_of_Iran_%281933-1964%29.svg.png

1964-1980:
https://upload.wikimedia.org/wikipedia/commons/thumb/4/44/State_Flag_of_Iran_%281964-1980%29.svg/640px-State_Flag_of_Iran_%281964-1980%29.svg.png