The Chinese nation has five thousand years of history.
Tips
culture
中华 is a more literary and culturally resonant term than 中国. It appears in the official name 中华人民共和国 (PRC) and 中华民国 (Republic of China/Taiwan). 中华民族 (Zhōnghuá mínzú) refers to all ethnic groups of China as a unified nation.
usage
中华 often appears in formal, patriotic, or historical contexts. 中华料理 (Zhōnghuá liàolǐ) is the term used for Chinese cuisine in Japanese.