1, because Yao was sealed in Tao at the beginning and moved to Tang, the country name was and Yao was named, so it was called in history.

2. Yao was from ancient China and Pingyang. He was born in China, his mother's family, and he moved to Qi, so his surname is, and his name is. China was the leader of the ancient League of Nations and one of the "Five Emperors". Yao is the son of his son, and his mother has its capital. Thirteen-year-old, ordered by Tao to assist wisdom. Fifteen years old, renamed Pingyang, named Tao Tang. At the age of twenty, Yao became the son of heaven and made Pingyang his capital. Yao Li has been successful for seventy years. Twenty years later, Yao Lao Heshun succeeded Yao in power. Twenty-eight years later, Yao abdicated and died, and was buried in Gulin.