Conversion of
St. Laurent class ships from DDE into the DDH type
| 1963-jun-28 | Commissioned | Commissioned  DDH 234 HMCS Assiniboine | |
| 1963-oct-04 | Commissioned | Commissioned DDH 205 HMCS St. Laurent | |
| 1964-oct-21 | Commissioned | Commissioned DDH 229 HMCS Ottawa | |
| 1965-may-14 | Commissioned | Commissioned DDH 206 HMCS Saguenay | |
| 1965-aug-14 | Commissioned | Commissioned DDH 207 HMCS Skeena | |
| 1965-oct-15 | Commissioned | Commissioned DDH 230 HMCS Margaree | |
| 1966-oct-22 | Commissioned | Commissioned DDH 233 HMCS Fraser | |
| 1972-jan | Deployment | Deployment DDH 207 HMCS Skeena Assigned to STANAVFORLANT Jan 1972 | |
| 1974-jun-14 | Decommissioned | Decommissioned DDH 205 HMCS St. Laurent | |
| 1976-sep-01 | Deployment | Deployment DDH 234 HMCS Assiniboine Assumes patrol from HMCS Fraser in the BRUIN WATCH while Soviet Navy ships search for a crashed TU-95 Bear D in the Grand Banks, near Newfoundland | |
| 1979 | Struck | Struck DDH 205 HMCS St. Laurent | |
| 1979-nov-16 | Refit | Refit DDH 234 HMCS Assiniboine DELEX | |
| 1980 | | DDH 233 HMCS Fraser Halifax class systems testbed | |
| 1980-jan-12 | Fate: sunk | Fate: sunk DDH 205 HMCS St. Laurent off Cape Hatteras being towed to Texas | |
| 1980-may-23 | Refit | Refit DDH 206 HMCS Saguenay DELEX | |
| 1980-nov-28 | Refit | Refit DDH 230 HMCS Margaree DELEX | |
| 1981-apr-12 | Refit | Refit DDH 207 HMCS Skeena Destroyer Life Extension refit (DELEX). | |
| 1982-may-28 | Refit | Refit DDH 233 HMCS Fraser DELEX | |
| 1982-nov-26 | Refit | Refit DDH 229 HMCS Ottawa DELEX | |
| 1985-oct | Port Visit | Port Visit DDH 229 HMCS Ottawa visit to Dublin, with CH-124 12431 ranged on deck. | |
| 1988-jun-20 | Deployment | Deployment DDH 229 HMCS Ottawa departed for St Lawrence and Great Lakes deployment, returned 29 Jul. | |
| 1988-dec-14 | Decommissioned | Decommissioned DDH 234 HMCS Assiniboine | |
| 1989 | | DDH 234 HMCS Assiniboine Harbour training ship at Halifax | |
| 1990-jun-26 | Decommissioned | Decommissioned DDH 206 HMCS Saguenay | |
| 1992-may-02 | Decommissioned | Decommissioned DDH 230 HMCS Margaree | |
| 1992-jul-31 | Decommissioned | Decommissioned DDH 229 HMCS Ottawa | |
| 1993-nov-01 | Decommissioned | Decommissioned DDH 207 HMCS Skeena | |
| 1994 | Fate: sunk | Fate: sunk DDH 206 HMCS Saguenay artificial reef off Lunenburg, Nova Scotia | |
| 1994 | Fate: scrapped | Fate: scrapped DDH 230 HMCS Margaree | |
| 1994-apr-04 | Fate: scrapped | Fate: scrapped DDH 229 HMCS Ottawa departed under tow for India to be scrapped. | |
| 1994-oct-05 | Decommissioned | Decommissioned DDH 233 HMCS Fraser | |
| 1994-nov | | DDH 233 HMCS Fraser for disposal at Bridgewater, Nova Scotia | |
| 1995 | Fate: sunk | Fate: sunk DDH 234 HMCS Assiniboine sunk as an artificial reef in the Caribbean | |
| 1996-jul-07 | Fate: scrapped | Fate: scrapped DDH 207 HMCS Skeena Departed Halifax for scrapping. | |
| 2009 | | DDH 233 HMCS Fraser moved to Halifax | |
Aircraft