Dynasties of ChinaSui dynastySui dynasty lineage
Reign 618
After the Jiangdu Incident, he was established as a puppet emperor by Yuwen Huaji and followed the army northward. He was poisoned a few months later.
Yang Hao is the son of Prince of Qinxiao Yang Jun, the third son of Emperor Wen in Sui Dynasty. Yang Jun was dismissed by Emperor Wen for living a luxurious life, and died of illness in 600. His concubine Cui was sentenced to death for poisoning food. Yang Hao failed to ascend the throne at first, and was named King of Qin after Emperor Yang came to the throne. In March 618, Yuwen Huaji hanged Emperor Yang in Jiangdu and killed the accompanying clan members. He only supported Yang Hao, his brother Yuwenzhi and his good friend, as emperor for the purpose of giving orders. Yuwen Huaji immediately took Yang Hao and led the Xiaoguo army northward. In July, he fought with Li Mi at Tongshan and suffered heavy losses. After retreating to Wei County, he poisoned Yang Hao and proclaimed himself emperor.
Politicswas made emperor
After the Jiangdu mutiny in March, Yuwen Huaji killed all the accompanying clan members, only supported his brother Yuwenzhi and his close friend King of QinYang Hao as emperor, and appointed himself the prime minister to hold real power.
MilitaryBattle of Tongshan
Yuwen Huaji took Yang Hao and led more than 100,000 Xiaoguo troops back north. In July, they fought fiercely with Li Mi's Wagang army in Tongshan. Both sides suffered heavy losses and Yuwen Huaji's troops fled in large numbers.
PoliticsBeing poisoned
After Yuwen Huaji retreated to Wei County, knowing that the situation was over, he poisoned Yang Hao to death and proclaimed himself emperor with the title of Xu. The following year Yuwen Huaji was sacked by Dou Jiande.
After hanging Emperor Yang, he supported Yang Hao as a puppet and led his army northward. After the Battle of Tongshan, his strength was greatly damaged. He poisoned Yang Hao and proclaimed himself emperor. In 619, he was captured and killed by Dou Jiange.