- A punitive party from the cruiser HMAS ADELAIDE, (CMDR W. Whitehorn, RN) landed at Malaita to subjugate rebellious natives.
- CAPT H. M. L. Waller, DSO and Bar, RAN, was appointed to HMAS PERTH, (cruiser).
- HMAS AUSTRALIA, (cruiser), was escorted by HMAS WARRAMUNGA, (Tribal class destroyer), to Manus Island for emergency repairs.
- HMAS PERTH, (guided missile destroyer), sank three enemy supply junks north of the Demilitarised Zone in Vietnam.
- HMAS DUCHESS, (Daring class destroyer), was decommissioned. DUCHESS had been loaned to the RAN in 1964, as a replacement for the destroyer HMAS VOYAGER. This loan was later extended, and she was purchased outright by the RAN in 1972. In 1973 she commenced an 18-month conversion to a training ship, but saw only three years service before being paid off.
- The Russian Ship, STOROZHEVOY, (guided missile frigate), shadowed HMA Ships MELBOURNE, (aircraft carrier), and PERTH, (guided missile destroyer), in the Indian Ocean. A Tracker SE2 aircraft from MELBOURNE also sighted the Soviet assault ship IVAN ROGOV in the area.
- The Royal Australian Navy opened its 75th Year Anniversary celebrations with a ceremonial fleet entry into Sydney Harbour. A giant White Ensign towed by a Sea King helicopter led the entry.
Editors Note:This event was previously recorded as having occurred on 26 January 1986. This was incorrect. We thank Mr Leo Van Milet for bringing this to our attention.
- The last of twenty Pacific patrol boats built in Australia for presentation to developing nations in the Pacific will have raised their new national flags. The PPB's were built for Papua New Guinea, Fiji, Tonga, the Solomons, Vanuatu, Marshall Islands, Cook Islands, Micronesia, Kiribati and Tuvalu.
'On This Day' is based on the book "Navy Day by Day: Historic Naval Events in Australia and Abroad" written by the late Lew Lind. More information.