What is the historical background of A Fierce Knife in the Snow?

The historical background of "Knife in the Snow" is:

The story happened in a historical period called "Spring and Autumn Period", which is similar to the real Spring and Autumn Period. China is divided into nine countries, called the Spring and Autumn Nine Countries. Two of the nine countries, Liyang and Xichu, eventually destroyed the eight countries and unified China. In the unification war of Liyang dynasty, there was a man who made great contributions. He destroyed six countries, including the Western Chu. He is.

After Liyang unified the Central Plains, like all the kings of the Central Plains in the history of China, the biggest threat became the nomadic regime from the north, and Liyang faced the northern mang who was stronger than Ma Zhuang.

The 350,000 fighters in the north became the most important force for Yang to rely on the North Mang. However, as the master of Gao Zhen, he was the first powerful minister from Yang, and Beizhi became the most fearful force of the royal family from Yang.

Liyang court had to reuse the North Hill, but it was always on the alert. It was against this background that the story of the fierce knife in the snow began.

The main plot of A Sword in the Snow:

Xu Fengnian (Ruoyun Zhang), the son of "the best dude in the world", shed his gorgeous clothes under the arrangement of his father Xiao Xu (Hu Jun) and entered the Jianghu for the first time. He had a good time with the groom, Lao Huang, and made many Jianghu people.

After three years of traveling, the low-key Xu Fengnian washed away the dust on his body, and he never wanted to follow the path of his father's life, let alone take over the Northern Song Dynasty, because becoming the king of the Northern Song Dynasty meant becoming a loner without feelings.

Xu Fengnian rebelled against his fate and gradually cultivated new martial arts forces willing to work for him, such as Wudang, Jiangnan literary world, Xichu, Huishan Xuanyuan, and discovered the truth of his mother Wu Suzhi's death through various clues. It was snowing all over the sky, and Xu Fengnian took revenge with one knife and one cavity. He carried the battle flag of Beibin with his own body and eventually became a qualified successor of Beibin King.