The Boxer Rebellion was an anti-foreign and anti-Christian uprising that took place in China between 1899 and 1901. It was led by a secret society known as the Boxers, who believed that their martial arts skills could protect them from foreign influence and missionaries. The movement aimed to expel foreign powers and their cultural influences from China. The rebellion escalated into violence, targeting foreigners and Chinese Christians. In response, an eight-nation alliance, including countries like Britain, Japan, and the United States, intervened militarily. The conflict ended with the signing of the Boxer Protocol in September 1901, which imposed severe penalties on China.