British Expeditionary Force was sent to China during the Boxer Rebellion.The Boxer Rebellion, Boxer Uprising or Yihetuan Movement was an anti-imperialist uprising which took place in China towards the end of the Qing dynasty between 1898 and 1900. It was initiated by the Militia United in Righteousness (Yihetuan), known in English as the "Boxers," and was motivated by proto-nationalist sentimen...