Twenty Japanese destroyers begin the evacuation of 13,000 troops from Guadalcanal.
The battle of the Bismarck Sea opens Northeast of New Guinea. A Japanese convoy is attacked by USAAF B25 bombers, which sink 12 ships.
The Japanese air force begins a 10-day, round-the-clock bombing offensive against US shipping in the Solomon's.
The German raider Michel sinks 2 ships off the west coast of Australia.
93 out of 94 Japanese planes are destroyed during a massive attack on allied shipping round Guadalcanal.
A Naval battle erupts in Kula Gulf, North of New Georgia. The US Navy loses the cruiser Helena, but claims eight or nine Japanese ships have been sunk.
The Japanese sink the US destroyer Gwin and severely damage three cruisers for loss of cruiser Jintsu in Kula Gulf.
HMAS Hobart is put out of action by a torpedo attack from a Japanese submarine west of New Hebrides.
The Japanese destroyer Amagiri sinks USN PT-109 in the Solomon's, which is commanded by Lieutenant John F. Kennedy.
Battle of Vella Gulf : 4 Japanese destroyers attempt to bring troops and supplies to Kolombangara, Solomon Is. and are attacked by 6 U.S. destroyers. 3 Japanese destroyers are sunk and 1 damaged. U.S. destroyers suffer no damage.
A U.S. carrier task force bombs Marcus Island, Micronesia.
The first of two heavy raids by a US Navy Task Force against Wake Island, with 61 Japanese aircraft being reported as destroyed.
350 allied bombers hit the Japanese base at Rabaul in New Britain sinking three destroyers.
A confused naval battle begins around Bougainville Island in the Solomon's.
US Navy carrier planes cripple a Japanese squadron at Rabaul, forcing six cruisers to withdraw North to Truk for repairs.
A Destroyer action off Cape St. George results in the Japanese being routed to the north west of Bougainville and losing three destroyers out of five in the process.