- World War Two
- Imperial Japanese Navy (IJN)
- 2nd Mogami-class heavy cruiser (Total 4), named after the Mikuma river in Oita prefecture, Japan
- Invasion of Malaya (December 1941)
- Invasion of British Borneo; Sumatra & Java (December 1941 ~ February 1942) - with Mogami; Chōkai.
- The Battle of Sunda Strait (28 February 1942) - Sinking of cruisers USS Houston and HMAS Perth (with Mogami; light cruiser Natori; destroyers Shikinami; Shirakumo, Murakumo, Shirayuki, Hatsuyuki and Asakaze)
- Indian Ocean Raids (1 April 1942) - sunk 3 British passenger & merchant ships. (with Chōkai, Mikuma; light cruiser Yura; destroyers Amagiri, Ayanami, Yūgiri, Asagiri and Shiokaze)
- Battle of Midway - Mikuma collided with Mogami on 5 June 1942 (with Kumano, Suzuya; destroyers Arashio, Asashio). The following morning of 6 June 1942, Mikuma was hit and sank by at least five bombs from U.S. dive-bombers from the aircraft carriers USS Enterprise and USS Hornet. Survivors was rescued by Suzuya; Arashio and Asashio.
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