Dee ihe na-aga n'ihu maka paragraf a - bụ ụgbọ agha agha nke e wuru maka Imperial Japanese Navy (IJN) na ngwụsị afọ 1890. Akpọrọ ya aha Ugwu Mikasa na Nara, Japan, ụgbọ mmiri ahụ jere ozi dị ka ụgbọ mmiri nke Vice Admiral Tōgō Heihachirō n'oge agha Russo-Japanese nke 1904<unk>1905, gụnyere Agha nke Port Arthur n'ụbọchị nke abụọ nke agha na Agha nke Oké Osimiri Yellow
na Tsushima. Ụbọchị ole na ole ka agha ahụ bisịrị, magazin "Mikasa" gbawara n'amaghị ama, ụgbọ mmiri ahụ ekpuokwa. A napụtara ya ma rụzie ya were ihe karịrị afọ abụọ iji wuchaa ya. Mgbe nke ahụ gasịrị, ụgbọ mmiri ahụ rụrụ ọrụ dị ka ụgbọ mmiri na-eche nche n'ụsọ oké osimiri n'oge Agha Iwa Mbụ ma kwado ndị agha Japan n'oge Ntinye aka Siberia na Agha Obodo Russia.