On This Day - 20 June
- HMS NELSON, later HMVS NELSON, was launched on the River Thames, London.
- SBLT F. L. Larkins, RAN, was washed overboard and drowned from HMA Submarine J2, in the Karimata Strait, (between Borneo and Sumatra), while the vessel was returning to Australia. Larkins was one of the original entry to the RAN College in 1913.
- The, surveying vessel, HMAS MORESBY, (CAPT J. Edgell, RN), a former 24 class convoy sloop HMS SILVIO, was commissioned at Sydney. MORESBY was laid down in Barclay, Curle & Co., Scotstoun, Glasgow, in 1917, and launched in 1918. After WWII she was layed-up in 1924-1925, refitted in Pembroke Dockyard, South Wales as a surveying vessel.
- HMAS MATAFELE was sunk. 4 officers, 20 ratings, and 13 native crew lost their lives.
ADML Crutchley, USN, was appointed Officer in Tactical Command of a force of Australian and United States cruisers in the Philippines.
- Training ship HMAS JERVIS BAY, (CMDR J. Scott, RAN), rescued five survivors from the sinking yacht SHALOM, in heavy seas off Port Macquarie, NSW.
'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.