Succession by Kosho
Traditional chronology states that Emperor Kosho succeeds Itoku after his death.
Role range: -0510--0477
Historical biography archive · Updated 2026-11-03
Itoku Biography and Timeline
Follow Itoku through 21 dated historical records for Japan.
Itoku, historical timeline
A chronological timeline drawn from matching World History Database records.
21Distinct records
1 of 1Page
477–2000Years on this page
477
Traditional Age at Death
Later tradition assigns Itoku an age of about seventy-six years at his death.
Role range: -0510--0477
Traditional Death of Itoku
Traditional chronology places the death of Emperor Itoku in 477 BCE.
Role range: -0510--0477
490
Traditional Yamato Kingship
Itoku's reign belongs to the legendary early Yamato sequence preserved in later Japanese court chronicles.
Role range: -0510--0477
500
Father of Emperor Kosho
Traditional genealogy identifies Itoku as the father of the future Emperor Kosho.
Role range: -0510--0477
Marriage Tradition
Traditional genealogies record Amonotoyototsu-hime as the consort of Emperor Itoku.
Role range: -0510--0477
Second Son in Genealogy
Traditional sources also attribute another son to Itoku alongside the future Emperor Kosho.
Role range: -0510--0477
510
Fourth Traditional Emperor
Itoku is counted as the fourth emperor in Japan's traditional imperial succession.
Role range: -0510--0477
Legendary Reign Begins
Japanese court tradition assigns the beginning of Itoku's legendary reign to 510 BCE.
Role range: -0510--0477
Palace at Karu
Traditional accounts associate Itoku's court with a palace at Karu in the Yamato region.
Role range: -0510--0477
Succession
According to Japan's traditional imperial chronology, the legendary Emperor Itoku succeeds Emperor Annei in 510 BCE.
Role range: -0510--0477
Traditional Accession
Traditional chronology places Itoku's accession in 510 BCE after the reign of Emperor Annei.
Role range: -0510--0477
553
Mother Nunasokonakatsu-hime
Traditional genealogies name Nunasokonakatsu-hime as the mother of Emperor Itoku.
Role range: -0510--0477
Son of Emperor Annei
Traditional genealogies identify Itoku as a son of the legendary Emperor Annei.
Role range: -0510--0477
Traditional Birth of Itoku
Traditional Japanese chronology places the birth of the legendary Emperor Itoku in 553 BCE.
Role range: -0510--0477
Traditional Personal Name
Later Japanese chronicles give Itoku the personal name Oyamatohikosukitomo no Mikoto.
Role range: -0510--0477
712
Recorded in Kojiki
The Kojiki, compiled in 712, preserves Itoku's name and genealogy within the traditional imperial lineage.
Role range: -0510--0477
720
Recorded in Nihon Shoki
The Nihon Shoki, completed in 720, includes Itoku in the traditional sequence of early emperors.
Role range: -0510--0477
800
Posthumous Imperial Name
The name Itoku-tenno is a later posthumous imperial name rather than a name documented from the era traditionally assigned to him.
Role range: -0510--0477
1879
Traditional Mausoleum Designation
Modern imperial tradition designates a mausoleum site in Kashihara as the burial place associated with Emperor Itoku.
Role range: -0510--0477
2000
Legendary Historical Status
Modern historians generally classify Itoku among Japan's legendary early emperors because no contemporary evidence confirms his reign.
Role range: -0510--0477
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.