| Date | Incident | Battle | Place |
| April 5, 1934 | Laid down | - | Japan |
| October 15, 1936 | Launched | Japan, heavy cruiser, christened Kumano. | Japan |
| October 31, 1937 | Commissioned | - | Japan |
| March 31, 1942 | - | Japanese raid in the Indian Ocean. | Indian Ocean |
| June 4, 1942 | - | Other groups engaged in the operation for Midway. | Hawaii |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | Combat | Battle of Santa Cruz. | Salomon Islands |
| May 21, 1943 | - | Attlu: planned Japanese counter-attack. | Japan |
| June 19, 1944 | - | Battle of the Philippine Sea: first day. | Mariannas |
| June 19, 1944 | - | Battle of the Philippines Sea: the pursuit. | Mariannas |
| October 23, 1944 | - | Palawan Passage. | Philippines |
| October 24, 1944 | - | Battle of the Sea of Sibuyan (Leyte). | Philippines |
| October 25, 1944 | Damaged | Battle of Samar. | Philippines |
| November 25, 1944 | Sunk | sunk by the Ticonderoga. | Japan |
| Date | Incident | Battle | Place |
| October 27, 1931 | Laid down | - | Japan |
| March 14, 1934 | Launched | Japan, heavy cruiser, christened Mogami. | Japan |
| July 28, 1935 | Commissioned | - | Japan |
| March 1, 1942 | Combat | Battle of Sunda Strait. | Indonesia |
| March 31, 1942 | - | Japanese raid in the Indian Ocean. | Indian Ocean |
| June 5, 1942 | Damaged | Other groups engaged in the operation for Midway. | Hawaii |
| May 21, 1943 | - | Attlu: planned Japanese counter-attack. | Japan |
| November 5, 1943 | Damaged | First American air strike against Rabaul. | New Britain |
| June 19, 1944 | - | Battle of the Philippine Sea: first day. | Mariannas |
| June 20, 1944 | - | Battle of the Philippines Sea: the pursuit. | Philippines |
| October 25, 1944 | Sunk | Battle of Surigao Strait, sunk by the Columbia, Denver, Minneapolis, Portland, Louisville. | Philippines |
| Date | Incident | Battle | Place |
| December 11, 1933 | Laid down | - | Japan |
| November 20, 1934 | Launched | Japan, heavy cruiser, christened Suzuya. | Japan |
| October 31, 1937 | Commissioned | - | Japan |
| March 31, 1942 | - | Japanese raid in the Indian Ocean. | Indian Ocean |
| June 4, 1942 | - | Other groups engaged in the operation for Midway. | Hawaii |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | - | Battle of Santa Cruz. | Salomon Islands |
| November 14, 1942 | - | Naval battles of Guadalcanal. | Salomon Islands |
| May 21, 1943 | - | Attlu: planned Japanese counter-attack. | Japan |
| November 6, 1943 | - | First American air strike against Rabaul. | New Britain |
| June 19, 1944 | - | Battle of the Philippine Sea: first day. | Mariannas |
| June 19, 1944 | - | Battle of the Philippines Sea: the pursuit. | Mariannas |
| October 23, 1944 | - | Palawan Passage. | Philippines |
| October 24, 1944 | - | Battle of the Sea of Sibuyan (Leyte). | Philippines |
| October 25, 1944 | Sunk | Battle of Samar. | Philippines |