Original: During their rise in the seventeenth century, with the help of Ming rebels (such as general Wu Sangui), they conquered the Ming Dynasty and founded the Qing Dynasty, which ruled China until the Xinhai Revolution of 1911, which established a republican government in its place.
Simplified: During their rise in the seventeenth century they conquered the Ming Dynasty and founded the Qing Dynasty, which ruled China until  the Xinhai Revolution in 1911, which established a republican government in its place.