When did the bon odori dance originated?

The Bon Odori dance is a traditional dance performed during the Obon festival in Japan, which is a Buddhist holiday that commemorates the spirits of deceased ancestors. The dance is believed to have originated in the 14th century, when it was performed as a form of entertainment during the Obon festival. The dance was later adopted by Buddhist temples as a way to honor the spirits of the deceased and to help them find peace in the afterlife. Today, the Bon Odori dance is performed throughout Japan during the Obon festival, and it is considered an important part of Japanese culture.