On this day, 78 years ago, on May 1, 1947 (March 11, 1947 in the lunar calendar), the first minority autonomous region established in China-the Inner Mongolia Autonomous Region was established. On May 1, 1947, the first ethnic minority autonomous region established by China-the Inner Mongolia Autonomous Region was established, with the first chairman Wu Lan Fu. This is after the founding meeting of the Inner Mongolia Autonomous Region government, leaders of the Autonomous Region government rode horses to inspect the Inner Mongolia People's Self-Defense Forces.