In the second year of Shangyuan (Year 675), Li Hong died suddenly at the age of 23 in Qiyun Hall of the Palace of Joint Jade.
Li Chengqian lived to the age of 27 and died in 645 AD.
Li Hong was played by different actors in different TV dramas. In the TV series " The Secret History of Wu Zetian," Li Hong was played by Yuan Bao. And in the TV series " Celebrating Years," Li Hong was played by Liu Runnan. As for whether Li Hong's character was in other TV series or characters, there was no relevant information in the search results provided.
There were different theories about Li Hong's cause of death. Some information indicated that Li Hong had been poisoned to death by Wu Zetian, while others mentioned that he had died of natural causes. However, there was no conclusive evidence to determine the cause of Li Hong's death. Thus, it was impossible to determine who had poisoned Li Hong.
There were different theories about Li Hong's cause of death. There was a saying that Li Hong was poisoned to death by Wu Zetian. This point of view was recorded in some history books. Another theory was that Li Hong died of natural causes. However, there was no conclusive evidence to determine the cause of Li Hong's death. Thus, it was impossible to determine who had poisoned Li Hong.
There were different theories about Li Hong's cause of death. Some records said that Li Hong was poisoned to death by Wu Zetian, while others said that he died of illness. However, there was no conclusive evidence to prove who caused Li Hong's death. Thus, it was impossible to determine who had caused Li Hong's death.