Core Viewpoint - The article highlights the historical significance of the Battle of Dayushan Island, also known as the "Sea Wolf Tooth Mountain Battle," which took place in 1944 during the Second Sino-Japanese War, showcasing the bravery of the New Fourth Army in defending the island against overwhelming Japanese forces [1][5][6]. Group 1: Historical Context - Dayushan Island, located in the Zhoushan Archipelago, is strategically important for controlling access to the Hangzhou Bay and surrounding areas [2]. - The island was occupied by Japanese forces in 1939, leading to increased military activity in the region as the war progressed [2][4]. Group 2: The Battle - On August 25, 1944, 76 soldiers from the New Fourth Army's coastal defense unit faced over 500 Japanese troops in a fierce battle that lasted seven hours [1][5]. - The New Fourth Army was significantly outnumbered and outgunned, with only 3 machine guns and 2 artillery pieces against the enemy's superior firepower [5][6]. - Despite the odds, the soldiers managed to hold their ground and inflicted heavy casualties on the Japanese forces, earning the battle its nickname [6][8]. Group 3: Aftermath and Legacy - The battle was widely reported, with significant media coverage that inspired further resistance against Japanese occupation in the region [8]. - A memorial was erected in 1988 to honor the sacrifices made by the soldiers during the battle, ensuring that their legacy would not be forgotten [9]. - The island has since transformed from a site of conflict to a modern industrial hub, now housing the Zhoushan (Yushan) International Green Petrochemical Base [9].