Today, 163 years ago, on October 17, 1862 (August 24, 1862), the Qing government formulated the Yellow Dragon flag as the national flag. On October 17, 1862, the Qing government formulated the Yellow Dragon flag. After the Opium War, China's ships increased and all had national flags, Chinese sailors alone. Following the Prime Minister's decree on the affairs of the countries, the ships erected the triangular yellow dragon flag, indicated as the Chinese official ship, and on October 22, the Prime Minister's decree on the French-Russian-American flag. This was the beginning of the Chinese flag. On May 26, 1889, the U.S. Secretary of State, Zhang Qing, issued a petition to determine the Yellow Dragon flag as the national flag.