Gegeen Khan (Mongolian: Гэгээн хаан; Mongol script: ; Shidebal Gegegen qaγan; ; born Shidibala (; 碩德八剌), also known by the temple name Yingzong (Emperor Yingzong of Yuan, Chinese: 元英宗, February 22, 1302 – September 4, 1323), was an emperor of the Yuan dynasty of China. Apart from Emperor of China, he is regarded as the ninth Great Khan of the Mongol Empire, although it was only nominal due to the division of the empire. His born name “Shidi-bala” () in Sanskrit means "purity protection" and regnal name means "enlightened/bright khan" in the Mongolian language. Early in his short reign, the Khunggirat faction played a key role in the Yuan court. When his grandmother Dagi (Targi) and the grand councillor Temuder died in 1322, his opponents seemed to have triumphed. Despite the Emperor's aim to reform the government based on the Confucian principles, Temuder's faction linked up with the Alan guard and assassinated the emperor in 1323. This was the first violent transition struggle in the Mongolian imperial history, which is also known as Coup d'état at Nanpo, that the Non-Borjigins overthrew the Emperor. Peaceful succession Shidibala was the eldest son of Ayurbarwada Buyantu Khan (Emperor Renzong) and Radnashiri of the Khunggirad clan. In return for his own crown princeship, Ayurbarwada promised his elder brother Khayishan to appoint Khayishan's son as Crown Prince after his succession. But when Khayishan died, Khayishan's two sons were relegated to borderlands and pro-Khayishan officers were purged. Shidibala's powerful grandmother Dagi installed Shidibala as Crown Prince in 1316, and then as Khan, since he was mothered by a Khunggirad khatun. He was made the nominal head of both the Secretariat and the Bureau of Military Affairs one year later. At one time, his father Ayurbarwada had even toyed with the idea of abdicating the throne in favor of Shidebala. Dagi's protégé Temuder was made as tutor to the heir apparent, Shidebala, after he failed to increase tax revenue. Between Ayurbarwada's death in March 1320 and his own death in October 1322, Temüder attained a great power with the full support of Dagi. Immediately after her grandson's succession, Dagi reinstated Temüder as Minister of the Secretariat and took politics into her own hands more openly than during Ayurbarwada's reign. Puppet regime Shidebala succeeded his father on April 19, 1320. Empress Targi (Dagi) reappointed Temuder senior grand councillor. While Temuder's persecution of his opponents in the censorate alienated