旅順港閉塞作戦
With the start of the Russo-Japanese War of 1904-1905, "Yoshino" participated in the naval Battle of Port Arthur. However, soon after the start of the war, "Yoshino" collided with the Japanese armored cruiser in dense fog. "Kasuga"s ram hit "Yoshino"s port side, and penetrated to the engine room; "Yoshino" turned turtle and sank in the Yellow Sea at () on 15 May 1904 with the loss of 319 lives. Only 19 of the crew managed to survive.