1942 23 January
Japan invades New Britain, New Ireland, Solomons; seizes Rabaul.
Japanese invade New Guinea (Lae, Salamaua, Finschhafen).
Battle of the Coral Sea.
Battle of Midway.
Japanese start overland drive on Port Moresby from Buna-Sanananda area.
1st Marine Division lands in Tulagi area and on Guadalcanal; first American land offensive undertaken in the war against Japan.
Japanese invasion attempt wiped out at Milne Bay.
Battle of Guadalcanal; final Japanese attempt to engage in naval action in the Southern Solomons ends in disaster for the Japanese Navy.
Relief of 1st Marine Division begun at Guadalcanal; division transferred operationally from SoPac to SWPA.
1st Marine Division arrives at Melbourne, Australia.
Australian-U.S. counter-drive recaptures Buna-Sanananda area.
Japanese naval feint enables Japan to deceive U.S. Fleet and facilitate the final evacuation of forces from Guadalcanal.
Battle of the Bismarck Sea.
Joint Chiefs of Staff issue CARTWHEEL directive.
Central Solomons campaign opened with landings by Marines and Army troops at Segi Point, New Georgia.
Woodlark and Tobriand Islands occupied by 12th Defense Bn and Army elements.
Major General W. H. Rupertus relieves Major General A. A. Vandegrift as Commanding General, 1st Marine Division.
U.S.-New Zealand forces land at Vella-Lavella.
1st Marine Division alerted for movement from Melbourne to advanced staging area.
1st Marine Division combat teams begin departure from Melbourne.
Bradbeer scout patrol to Cape Gloucester.
Capture of Finschhafen by Allied forces completes recapture of Lae area.
IMAC opens Bougainville campaign with landing at Cape Torokina.
First carrier-based air strike at Rabaul.
Kavieng, New Ireland, bombed by carrier-based planes.
Lieutenant General Walter Krueger issues Field Order No. 5 for Arawe and Cape Gloucester operations.
Amendment 1 to Field Order No. 5 issued, setting up final organization of the the BACKHANDER Task Force; 112th Cavalry RCT lands at Arawe.
1st Marine Division lands on Cape Gloucester at Silimati Point and Tauali.
Cape Gloucester airdrome declared secure.
Brigadier General L. C. Shepherd, Jr., issues first ADC attack order for the drive toward Hill 660.
Marines take Aogiri Ridge and General Shepherd orders it named "Walt's Ridge."
Hill 660 taken by 3d Bn, 7th Marines.
Marine patrols locate General Matsuda's abandoned headquarters at Nakarop or "Egaroppu."
Army patrol from Arawe meets elements of the Gilnit Group on the Itni River, thus securing all western New Britain.
3d Bn, 5th Marines lands at Karai-ai.
2d Bn, 5th Marines lands at Iboki.
1st Cavalry Division lands in the Admiralties.
Combat Team A (5th Marines, reinforced) lands at Volupai Plantation for Talasea operation.
Talasea declared secure.
Patrols reach Numundo Plantation.
4th Marines seize Emirau.
Army lands at Hollandia.
1st Marine Division relieved at Cape Gloucester; command of BACKHANDER Task Force passes to Commanding General, 40th Infantry Division.
40th Infantry Division relieved on New Britain by the Australian 5th Division.
Japanese surrender Rabaul to the Australians.
Transcribed and formatted for HTML by Jerry Holden for the HyperWar Foundation