Why are there Dragon Boat Festival, Tomb-Sweeping Day, June 1st Festival, Yin and Yang Festival, Mid-Autumn Festival, Winter Solstice Festival and Spring Festival?

Dragon Boat Festival: In memory of Qu Yuan, it started in China during the Spring and Autumn Period and the Warring States Period and has a history of more than 2,000 years.

Qingming: It's a day to worship ancestors and sweep graves. Tomb-Sweeping Day is a traditional festival of the Chinese nation, which started in the Zhou Dynasty and has a history of more than 2,500 years.

Mid-Autumn Festival: Mid-Autumn Festival began in the early years of the Tang Dynasty and prevailed in the Song Dynasty. In the Ming and Qing dynasties, I missed my hometown, my loved ones and prayed for a bumper harvest and happiness.

Winter solstice: Winter solstice, also known as "the birth of a day", is an important solar term in the China lunar calendar and a traditional festival of the Chinese nation. The winter solstice is commonly known as "Jiujiu, Winter Festival", "Dragon Solstice Festival" and "Elegant Year". As early as 2500 years ago, during the Spring and Autumn Period, China observed the sun with the earth, and determined the winter solstice, which was the earliest of the 24 solar terms.

Spring Festival: The Spring Festival originated from the activities of offering sacrifices to gods and ancestors throughout the Shang Dynasty. It is the biggest, most lively and most important ancient traditional festival in China.

June 1 Day: It is a festival to protect children's rights to survival, medical care and education all over the world, improve children's lives and oppose child abuse and poisoning. At the international conference on children's welfare held in Geneva, Switzerland from 65438 to 0925, the International Association for the Promotion of Children's Happiness first put forward the concept of "Children's Day" and called on all countries to set up their own Children's Day. This initiative has been endorsed by many countries in the world. Most countries usually set it to June 1 every year.

Yin and Yang Festival: ..., I'm sorry I have little knowledge, but this festival is unheard of.