King Xiao of Yan (Chinese: 燕孝王; died 255 BC), personal name unknown, was king of the Yan state from 257 BC until his death in 255 BC.
[1] King Xiao was a son of King Wucheng, and ascended the throne after his father's death.
[2] During his reign, Yan started to construct an extensive fortifications to protect against the barbarians.
[3] King Xiao died in 255 BC, succeeded by his son Ji Xi.
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