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|- ||Date. ||| Assyrian Patriarch. ||| Persian King. |||Roman Emperor. |- ||309 ||| Papa ||rowspan=9 |Sapor II ||rowspan=2 | Constantine |- ||328 ||rowspan=2 | Shimun bar Saba'i |- ||337 ||rowspan=4 | Constantius |- ||340 ||| Shah-dost |- ||346 ||| Bar B'ashmin |- ||347 ||rowspan=5 | (vacancy) |- ||361 ||| Julian |- ||363 ||| Jovian |- ||364 ||| Valens |- ||379 ||| Ardashir II || rowspan=3| Theodosius I |- ||383 || rowspan=2| Tamuza |||Sapor II |- ||388 || rowspan=2|Bahram IV |- ||395 |||Qaiuma || rowspan=2|Arcadius |- ||399 || rowspan=2|Isaac || rowspan=4|Yezdegerd I |- ||408 || rowspan=6| Theodosius II |- ||411 ||| Akha |- ||415 ||| Yahb-Alaha I |- ||420 ||| M'ana || rowspan=2| Bahram V |- ||421 || rowspan=3| Dad-Ishu |- ||438 || rowspan=2|Yezdegerd II |- ||451 |||Marcian |- ||457 || rowspan=2|Babowai || rowspan=2|Piroz |||Leo |- ||474 || rowspan=3|Zeno |- ||485 || rowspan=3|Acacius |||Balas |- ||488 || rowspan=2|Kobad (1st reign) |- ||491 || rowspan=4| Anastasius |- ||496 || rowspan=2|Babai |||Zamasp |- ||498 || rowspan=5|Kobad (2nd reign) |- ||505 || rowspan=2|Silas |- ||518 || rowspan=2|Justin I |- ||523 || rowspan=3|("duality") |- ||527 || rowspan=5|Justinian |- ||531 || rowspan=6|Chosroes I |- ||539 |||Paul |- ||540 |||Mar Aba |- ||552 || rowspan=2|Joseph |- ||565 || rowspan=2|Justin II |- ||570 || rowspan=2|Ezekiel |- ||578 || rowspan=2|Hormizd IV |||Tiberius |- ||582 || rowspan=2|Ishu-yahb I || rowspan=3|Maurice |- ||590 || rowspan=6|Chosroes II |- ||596 || rowspan=2|Sabr-Ishu |- ||602 || rowspan=3|Phocas |- ||604 |||Gregory |- ||608 || rowspan=2|(vacancy) |- ||610 || rowspan=3|Heraclius |- ||628 || rowspan=3|Ishu-yahb II |||(anarchy) |- ||632 |||Yezdegerd III |- ||640 || rowspan=2|Khalifate || rowspan=2|Constantine III |- ||644 |||Mar Imeh

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