Ruler · 400 – 421

Yazdegerd I

Lived 400 – 421; monarch. Emperor of the Sasanian Empire (Sasanian Empire), 399 – 420; also in the line of Persian Empire.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 400 – 421; 21 years
In office: 21 years; one reign
Lines: 2; states
Left it: left office alive; read off the dates alone

Emperor of the Sasanian Empire

Sasanian Empire · the 14th of 32 dated reigns · 224 – 651

10 before

Yazdegerd I399 – 420

Khosrau the Usurper420

Bahram V420 – 438

15 after

killed, executed or dead in battledeposed, abdicated, exiled or removeddied in officeleft alive by a regular roadending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 399 – 420 · 21 years

Came to it: the sibling of the ruler before, on record
Left it: left office aliveread off the dates alone: the term ends in 420; they died in 421

Also in the line of Persian Empire (24th of 51, read from the line of Sasanian Empire).

Open in the atlas

Yazdegerd I in the atlas: the article, every line they sat in, and the map in their years.
Analyse the succession of Sasanian Empire: every reign, how each ended, and the numbers over them.
States of Middle East and North Africa, and every state with a page.

Wikidata Q217290 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.