Why is Christmas a traditional Western holiday?

The Eight-Power Allied Forces' invasion of China and Christmas have nothing to do with each other

Christmas, also known as Christmas Day and the Nativity, which translates as "Christ's Mass," is a traditional Western holiday that originated in Christianity and is celebrated on December 25th every year. The Mass is a liturgy of the Church. Christmas is a religious festival, because it is celebrated as the birth of Jesus, so the name "Christmas".

Christmas was originally a religious holiday. In the nineteenth century, the popularity of Christmas cards and the appearance of Santa Claus, so that Christmas began to gradually become popular. After the custom of Christmas celebration became popular in Northern Europe, Christmas decorations combined with the northern hemisphere winter also appeared.

The early development of the nineteenth century to the middle of the nineteenth century, the whole of Europe and the Americas began to celebrate Christmas. And derived from the corresponding Christmas culture.

Christmas spread to Asia is in the middle of the nineteenth century, Japan, Korea, China and so on have been influenced by Christmas culture.

The Eight-Power Allied Forces (八国聯军), is the eight-nation coalition army of the British Empire (Britain), the United States of America (United States), the Third **** and France (France), the German Empire (Germany), the Russian Empire (Russia), the Empire of Japan (Japan), the Kingdom of Italy (Italy), and the Austro-Hungarian Empire (Austria) which invaded the Qing Dynasty of China by military action in 1900 (the year of the Qing dynasty, the twenty-sixth year of the Guangxu reign).