Emperor Huan of Han was the 10th emperor of the Han Dynasty in China, ruling from 146 to 168 AD. He ascended to the throne at a young age after the death of his father, Emperor Zhang. His reign is often noted for the influence of powerful court officials and eunuchs, which led to political instability. During his rule, Emperor Huan faced challenges such as corruption and factionalism within the court. His reign ended with his death in 168 AD, after which the dynasty continued to experience turmoil, eventually leading to its decline.