Phan Khôi short time. However, he also was very interested in researching the roots of Vietnamese heritage, especially Vietnamese spoken language, which had long been ignored and looked down upon by the elite class in Vietnam. His research Phan Khôi: Việt ngữ nghiên cứu was a well of knowledge for young Vietnamese to follow. One generation before Hoàng Văn Chí, one generation after Phan Chu Trinh, Phan Khôi represented a class of Vietnamese intellectuals caught between colonialism, nationalism, communism. Phan Khôi's progressive spirit and his lifelong effort to raise the Vietnamese people's awareness of human rights, civil rights, and good education were
Pang De Pang De accompanied him to Hanzhong. When Ma Chao defected from Zhang Lu's side to another warlord Liu Bei, Pang De remained in Hanzhong and eventually came to serve Cao Cao after Cao Cao defeated Zhang Lu at the Battle of Yangping and took over Hanzhong. In 219, Pang De fought at the Battle of Fancheng under Cao Ren's command against Liu Bei's forces led by Guan Yu. Pang De was captured in battle and eventually executed by Guan Yu when he refused to surrender. Pang De was from Huandao County (狟道縣), Nan'an Commandery (南安郡), Liang Province, which is located