In which dynasty did mahjong originate?

Chinese mahjong is a leisure game originated in China, originally belonging to the royal family and princes, and its history can be traced back to three or four thousand years ago. In the long historical evolution process, mahjong gradually spread from the palace to the folk, and was basically finalized in the middle of the Qing Dynasty.

It is said that a man named Wan Biantiao in the Ming Dynasty created mahjong on the basis of "Ye Ge Opera" and took his own name "Wan, Bian and tiao" as the three basic colors. On the other hand, it is said that mahjong was originally a "grain protection card" in Taicang, Jiangsu Province.