| Date | Incident | Battle | Place |
| April 28, 1927 | Laid down | - | Japan |
| June 16, 1930 | Launched | Japan, heavy cruiser, christened Atago. | Japan |
| March 30, 1932 | Commissioned | - | Japan |
| February 25, 1942 | - | Japanese raid south of Java. | Indonesia |
| March 4, 1942 | Combat | Sinking of the Pillsbury South of Java, sinks the Pillsbury. | Indonesia |
| 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 |
| November 14, 1942 | Light damages | Second naval battle of Guadalcanal. | Salomon Islands |
| January 30, 1943 | - | Japanese evacuation of Guadalcanal. | Salomon Islands |
| 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 | Sunk | Palawan Passage, sunk by the Dace. | Philippines |
| Date | Incident | Battle | Place |
| March 26, 1928 | Laid down | - | Japan |
| April 5, 1931 | Launched | Japan, heavy cruiser, christened Chokai. | Japan |
| June 30, 1932 | 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 9, 1942 | Damaged | First battle of Savo. | Salomon Islands |
| August 24, 1942 | - | Battle of the Eastern Salomons: all groups. | Salomon Islands |
| November 13, 1942 | Damaged | Naval battles of Guadalcanal. | Salomon Islands |
| November 11, 1943 | Combat | Second 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, sunk by the Kitkun Bay. | Philippines |
| Date | Incident | Battle | Place |
| December 4, 1928 | Laid down | - | Japan |
| November 8, 1930 | Launched | Japan, heavy cruiser, christened Maya. | Japan |
| June 30, 1932 | Commissioned | - | Japan |
| February 25, 1942 | - | Japanese raid south of Java. | Indonesia |
| March 3, 1942 | Combat | Destruction of destroyer Stronghold South of Java, sinks the Stronghold. | Indonesia |
| June 3, 1942 | - | Diversion in the Aleutians. | Aleutians |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | Combat | Battle of Santa Cruz. | Salomon Islands |
| November 14, 1942 | Damaged | Naval battles of Guadalcanal. | Salomon Islands |
| March 26, 1943 | - | Battle of Komandorski Islands. | Aleutians |
| November 5, 1943 | Damaged | First American air strike against Rabaul. | New Britain |
| November 11, 1943 | Combat | Second air strike against Rabaul. | New Britain |
| June 19, 1944 | - | Battle of the Philippine Sea: first day. | N/A |
| June 20, 1944 | Damaged | Battle of the Philippines Sea: the pursuit. | Mariannas |
| October 23, 1944 | Sunk | Palawan Passage, sunk by the Dace. | Philippines |
| Date | Incident | Battle | Place |
| April 28, 1927 | Laid down | - | Japan |
| May 12, 1930 | Launched | Japan, heavy cruiser, christened Takao. | Japan |
| May 31, 1932 | Commissioned | - | Japan |
| February 25, 1942 | - | Japanese raid south of Java. | Indonesia |
| March 1, 1942 | Combat | Sinking of the Pillsbury South of Java, sinks the Pillsbury. | Indonesia |
| June 3, 1942 | - | Diversion in the Aleutians. | Aleutians |
| August 24, 1942 | Combat | Battle of the Eastern Salomons. | Salomon Islands |
| October 26, 1942 | Combat | Battle of Santa Cruz. | Salomon Islands |
| November 14, 1942 | Combat | Second naval battle of Guadalcanal. | Salomon Islands |
| January 30, 1943 | - | Japanese evacuation of Guadalcanal. | Salomon Islands |
| 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 | Damaged | Palawan Passage. | Philippines |
| October 27, 1946 | Stricken | - | Japan |