Beijing became the capital of China after the Mongol invasion of the 13th century, completing the easterly migration of the Chinese capital begun in the earlier Jin dynasty . The Ming uprising in 1368...Beijing became the capital of China after the Mongol invasion of the 13th century, completing the easterly migration of the Chinese capital begun in the earlier Jin dynasty . The Ming uprising in 1368 reasserted Chinese authority and fixed Beijing as the seat of imperial power for the next five centuries.