Sun Yat-sen is known as founding father of which country?

Sun Yat-sen is known as founding father of which country?

سن یات سین کو کس ملک کا بانی کہا جاتا ہے؟
Explanation

Sun Yat-sen (founding father of China)

Sun Yat-sen born: 1866

Sun Yat-sen died: 1925

Sun Yat-sen: first provisional president of China

Sun Yat-sen title: Father of the Nation