Buddhist

Vesak is the most important Buddhist festival. The festival commemorates the birth, enlightenment, and passing of Gautama Buddha in Theravada, Tibetan Buddhism and Navayana. Wikipedia

Asalha Puja is one of Theravada Buddhism's most important festivals celebrating the teaching of Buddha following his enlightenment. These teaching include the four noble truths and the Noble Eightfold Path. Wikipedia

Obon is a fusion of the ancient Japanese belief in ancestral spirits and a Japanese Buddhist custom to honor the spirits of one's ancestors. This Buddhist–Confucian custom has evolved into a family reunion holiday during which people return to ancestral family places and visit and clean their ancestors' graves when the spirits of ancestors are... Read More

Bodhi Day is the Buddhist holiday that commemorates the day that Gautama Buddha  is said to have attained enlightenment. Wikipedia