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{{Infobox person
| name = Emperor Go-Nijō
| born = 1285
| died = 1308
| nationality = Japanese
| occupation = Emperor of Japan
| known_for = Daikakuji-line ruler under Kamakura supervision; early death ending his line
| notable_work = Temporary restoration of Daikakuji succession within enforced alternation
}}


Emperor Go-Nijō (後二条天皇; traditionally Go-Nijō Tennō) is regarded as the ninety-third emperor of Japan. He reigned from 1298 to 1301 CE during the late Kamakura period. His reign is historically attested and is notable for representing a brief restoration of the Daikakuji line under the shogunate-imposed system of alternating succession.

Go-Nijō’s early death without heirs disrupted carefully managed succession plans and intensified dynastic instability.

== Historical context ==
By the turn of the 14th century, the Kamakura shogunate exercised near-total control over imperial succession.

The enforced alternation between the Jimyōin and Daikakuji lines was intended to prevent conflict but instead institutionalized rivalry and dependence on shogunal arbitration.

== Accession ==
Emperor Go-Nijō ascended the throne in 1298 following the abdication of Emperor Go-Fushimi.

His accession complied with the alternation agreement and restored the Daikakuji line to the throne.

== Reign ==
Go-Nijō’s reign was short and ceremonial.

Court administration, military affairs, and judicial authority remained under shogunal control, while the emperor performed ritual and symbolic functions.

No independent political initiatives are attributed to his reign.

== Health and early death ==
Emperor Go-Nijō suffered from chronic illness throughout his reign.

In 1301, he died at the age of sixteen without leaving an heir.

== Succession consequences ==
Go-Nijō’s death without issue created a succession disruption within the alternation framework.

The shogunate responded by installing Emperor Go-Daigo of the Daikakuji line, a decision that would have far-reaching consequences.

== Sources and historiography ==
Go-Nijō’s reign is recorded in court chronicles and Kamakura administrative records.

Historiography treats his reign as structurally significant despite its brevity, due to its impact on subsequent succession.

== Historical assessment ==
Emperor Go-Nijō is regarded as a transitional figure whose death destabilized an already fragile imperial system.

Interpretation emphasizes contingency: a short reign altered the trajectory of Japanese political history by enabling Go-Daigo’s accession.

== Role in imperial tradition ==
Go-Nijō’s reign illustrates the vulnerability of succession systems dependent on external enforcement.

His death marked the failure of managed alternation and set the stage for direct imperial confrontation with warrior rule.

== Related topics ==

Kamakura period

Imperial succession

Daikakuji line

Jimyōin line

Kamakura shogunate

Emperor Go-Fushimi

Emperor Go-Daigo