In which dynasty did Valentine's Day in China originate?

Valentine's Day in China began in ancient times, spread in the Western Han Dynasty and flourished in the Song Dynasty. Among the numerous folk customs of Qixi, some have gradually disappeared, but quite a few have been continued by people. Valentine's Day in China originated in China, and it is also celebrated in some Asian countries influenced by China culture, such as Japan, Korean Peninsula and Viet Nam. China Valentine's Day, also known as Qiaoqi Festival, Qijie Festival, Daughter's Day, Beggar's Day, Chinese Valentine's Day, Niuniu Festival and Qiaoxi Festival, is a traditional folk festival in China. Valentine's Day in China evolved from the worship of the stars, and it is Seven Sisters's birthday in the traditional sense. Because of the worship of Seven Sisters on the seventh day of July, it was named Tanabata. It is the traditional custom of Qixi to worship the seven sisters, pray, seek skillful art, sit and watch morning glory and weave stars, pray for marriage and store water on Qixi. After historical development, Tanabata has been endowed with the beautiful love legend of "Cowherd and Weaver Girl", making it a festival symbolizing love, thus being regarded as the most romantic traditional festival in China, and even having the cultural meaning of "China Valentine's Day" in contemporary times. [1][2][3][4] Valentine's Day in China is not only a festival to worship Seven Sisters, but also a festival of love. It is a comprehensive festival with the folk custom of "Cowherd and Weaver Girl" as the carrier and with blessing, begging for cleverness and love as the main body. The "Cowherd and Weaver Girl" on Tanabata originated from people's worship of natural phenomena. In ancient times, planetariums were associated with geographical areas. This correspondence is called "dividing stars" in astronomy and "dividing fields" in geography. According to legend, on the seventh day of July every year, the Cowherd and the Weaver Girl will meet at the Magpie Bridge in the sky.