The history and culture of Nanchang, Jiangxi. Millennium Zhang Yu County "means Nanchang has a long history. Nanchang established the county system in the Han Dynasty, and it is the seat of Zhang Yu County with a history of more than 2,000 years. This shows that Nanchang has a profound historical background and rich cultural background. "World Hero City" expresses the reverence for Nanchang's heroic spirit. The people of Nanchang have a glorious revolutionary tradition and made great contributions to the independence and liberation of China. The people here are brave, tenacious and indomitable, and this heroism is famous throughout the country and even the world. This sentence aims at praising Nanchang's historical and cultural heritage and heroism, and expressing respect and love for the city.