Answer: The Qingming Festival started over 2,500 years ago during the Zhou Dynasty.
Step-by-step explanation:
The Qingming Festival started over 2,500 years ago during the Zhou Dynasty. Emperors would offer sacrifices in honor of their ancestors in exchange for wealth, peace and good harvests for the country. In 732, Emperor Xuanzong of the Tang Dynasty stated respect must be paid at ancestors' graves.