Tell about the traditional Spring Festival in China.

Spring Festival is the first day of the first lunar month, also known as Lunar New Year, commonly known as "Chinese New Year". The Spring Festival has a long history, which originated from the activities of offering sacrifices to gods and ancestors in the beginning and end of the Shang Dynasty. According to the China lunar calendar, the first day of the first month is called Yuanri, Chen Yuan, Jacky, Yuanshuo and New Year's Day. Commonly known as the first day of the first month. It was changed to Gregorian calendar in the Republic of China. The first day of the Gregorian calendar is called New Year's Day, and the first day of the first month of the lunar calendar is called Spring Festival.