October 1st is the National Day of our country, why set this day as the National Day? After more than a century of heroic struggle, the Chinese people, under the leadership of the Communist Party of China, have won the great victory of the people's revolution. The founding of the People's Republic of China on October 1, 1949 was one of the greatest changes in Chinese history. In September 1949, a session of the CPPCC decided to set October 1 as the National Day.