全民族抗战爆发后，琼籍抗日将领周士第率领部队多次重创日寇

Core Viewpoint - The article highlights the significant contributions of General Zhou Shidi, a prominent military leader from Hainan, during the Anti-Japanese War, showcasing his strategic prowess and leadership in various battles against Japanese forces [3][4][6]. Group 1: Historical Context - Zhou Shidi was born in Guangdong and graduated from the first class of Huangpu Military Academy, becoming a key figure in the early armed forces of the Chinese Communist Party [3]. - He participated in numerous significant historical events, including the Northern Expedition, the Nanchang Uprising, and the Anti-Japanese War, ultimately becoming the only founding general of the Republic from Hainan [3][4]. Group 2: Military Achievements - After the outbreak of the Anti-Japanese War in 1937, Zhou led the 120th Division of the Eighth Route Army, achieving notable victories against Japanese and puppet forces in various battles, including the Pingxingguan and Yanmen Pass battles [4][5][6]. - Zhou's leadership in the Hundred Regiments Offensive in 1940 resulted in the destruction of over 3,500 enemy troops and significant damage to enemy infrastructure [6][9]. Group 3: Tactical Innovations - Zhou was known for his meticulous tactical planning and adaptability in combat, earning him the title of "model chief of staff" [8][9]. - His strategic innovations included the establishment of undercover teams to disrupt enemy operations and the implementation of guerrilla tactics that led to the successful expulsion of enemy forces from numerous strongholds [9][10]. Group 4: Legacy and Recognition - Zhou's contributions to military theory and practice were documented in various academic articles, which continue to serve as valuable resources for future generations [10]. - His legacy is commemorated in the Zhou Shidi Memorial Hall in Qionghai City, where his statue stands as a testament to his enduring impact on China's military history [2][3].