| Classe: Tone | |
| Statistics: | Displacement: 15 200 tons Length: 202 meters Speed: 35 knots 5 planes 8 x 8'' guns |
| Date | Incident | Battle | Place |
| October 1, 1935 | Laid down | - | Japan |
| March 19, 1938 | Launched | Japan, heavy cruiser, christened Chikuma. | Japan |
| May 30, 1938 | Commissioned | - | Japan |
| December 7, 1941 | - | Pearl Harbour: the Japanese attacker. | Hawaii |
| December 16, 1941 | Combat | The fall of Wake. | Marshalls |
| February 25, 1942 | - | Japanese raid south of Java. | Indonesia |
| March 1, 1942 | - | Destruction of the Edsall South of Java. | Indonesia |
| March 26, 1942 | - | Japanese raid in the Indian Ocean. | Indian Ocean |
| June 4, 1942 | Combat | Battle of Midway. | Hawaii |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | Damaged | Battle of Santa Cruz. | Salomon Islands |
| May 17, 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 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 |
| Date | Incident | Battle | Place |
| December 1, 1934 | Laid down | - | Japan |
| November 27, 1937 | Launched | Japan, heavy cruiser, christened Tone. | Japan |
| November 20, 1938 | Commissioned | - | Japan |
| December 7, 1941 | - | Pearl Harbour: the Japanese attacker. | Hawaii |
| December 16, 1941 | Combat | The fall of Wake. | Marshalls |
| February 25, 1942 | - | Japanese raid south of Java. | Indonesia |
| March 1, 1942 | - | Destruction of the Edsall South of Java. | Indonesia |
| March 26, 1942 | - | Japanese raid in the Indian Ocean. | Indian Ocean |
| June 4, 1942 | Combat | Battle of Midway. | Hawaii |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | - | Battle of Santa Cruz. | Salomon Islands |
| November 13, 1942 | - | Naval battles of Guadalcanal. | Salomon Islands |
| May 17, 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 | - | Battle of Samar. | Philippines |
| July 24, 1945 | Sunk | - | Japan |
| 1948 | Stricken | - | Japan |