<human>:  When did the Romance of the Three Kingdoms take place?
<bot>: The Romance of the Three Kingdoms takes place in the 2nd century AD. It is a fictional story set in China during the Three Kingdoms period. It tells the story of Liu Bei, a warlord who rose to power in the Han dynasty. He led a rebellion against the Han dynasty and founded the Kingdom of Shu Han. He later joined forces with Sun Quan and founded the Kingdom of Wu. The story of the Romance of the Three Kingdoms is told through a series of novels and plays.