Pacific theatre timeline.

Dec 7, 1941

Japanese Bomb Pearl Harbor
Dec 8, 1941

U.S and Britian Declare War on Japan

President Franklin D. Roosevelt Signs the Declaration of War Agaist Japan.
Dec 9, 1941

China Declares War on Japan
Dec 18, 1941

Japanese Invade Hong Kong
Dec 25, 1941

Brittish Surrender at Hong Kong
Jan 2, 1942

Manila and U.S. Naval base at Cavite captured by the Japanese.
Jan 11, 1942

Japanese invade Dutch East Indies and Dutch Borneo
Jan 18, 1942

German-Japanese-Italian military agreement signed in Berlin.
Jan 27, 1942

First Japanese warship sunk by a U.S. submarine.
Feb 19, 1942

Largest Japanese air raid since Pearl Harbor occurs against Darwin, Australia; Japanese invade Bali.
Feb 23, 1942

President Franklin D. Roosevelt orders General MacArthur out of the Philippines.
Feb 23, 1942

First Japanese attack on the U.S. mainland as a submarine shells an oil refinery near Santa Barbara, California.
Mar 4, 1942

Two Japanese flying boats bomb Pearl Harbor; ENTERPRISE attacks Marcus Island, just 1000 miles from Japan.
Mar 3, 1943

U.S. victory over Japanese in the Battle of Bismarck Sea.
Apr 21, 1943

President Roosevelt announces the Japanese have executed several airmen from the Doolittle Raid.
May 14, 1943

A Japanese submarine sinks the Australian hospital ship CENTAUR resulting in 299 dead.
Jun 1, 1943

U.S. begins submarine warfare against Japanese shipping
Nov 23, 1943

Japanese end resistance on Makin and Tarawa.
Dec 26, 1943

Full Allied assault on New Britain as 1st Division Marines invade Cape Gloucester.
Feb 17, 1944

U.S. Carrier-based planes destroy the Japanese naval base at Truk in the Caroline Islands.
Feb 20, 1944

U.S. Carrier-based and land-based planes destroy the Japanese base at Rabaul.
Feb 23, 1944

U.S. Carrier-based planes attack the Mariana Islands
Jul 27, 1944

American troops complete the liberation of Guam.
Nov 11, 1944

Iwo Jima bombarded by the U.S. Navy.
Dec 17, 1944

The U.S. Army Air Force begins preparations for dropping the Atomic Bomb by establishing the 509th Composite Group to operate the B-29s that will deliver the bomb.
Apr 12, 1945

President Roosevelt dies, succeeded by Harry S. Truman.
May 20, 1945

Japanese begin withdrawal from China.
Jul 10, 1945

1,000 bomber raids against Japan begin.
Sep 4, 1945

Japanese troops on Wake Island surrender.
Sep 9, 1945

Japanese in Korea surrender.
Sep 13, 1945

Japanese in Burma surrender.
Oct 24, 1945

United Nations is born.

Japanese Bomb Pearl Harbor

U.S and Britian Declare War on Japan

China Declares War on Japan

Japanese Invade Hong Kong

Brittish Surrender at Hong Kong

Manila and U.S. Naval base at Cavite captured by the Japanese.

Japanese invade Dutch East Indies and Dutch Borneo

German-Japanese-Italian military agreement signed in Berlin.

First Japanese warship sunk by a U.S. submarine.

Largest Japanese air raid since Pearl Harbor occurs against Darwin, Australia; Japanese invade Bali.

President Franklin D. Roosevelt orders General MacArthur out of the Philippines.

First Japanese attack on the U.S. mainland as a submarine shells an oil refinery near Santa Barbara, California.

Two Japanese flying boats bomb Pearl Harbor; ENTERPRISE attacks Marcus Island, just 1000 miles from Japan.

U.S. victory over Japanese in the Battle of Bismarck Sea.

President Roosevelt announces the Japanese have executed several airmen from the Doolittle Raid.

A Japanese submarine sinks the Australian hospital ship CENTAUR resulting in 299 dead.

U.S. begins submarine warfare against Japanese shipping

Japanese end resistance on Makin and Tarawa.

Full Allied assault on New Britain as 1st Division Marines invade Cape Gloucester.

U.S. Carrier-based planes destroy the Japanese naval base at Truk in the Caroline Islands.

U.S. Carrier-based and land-based planes destroy the Japanese base at Rabaul.

U.S. Carrier-based planes attack the Mariana Islands

American troops complete the liberation of Guam.

Iwo Jima bombarded by the U.S. Navy.

The U.S. Army Air Force begins preparations for dropping the Atomic Bomb by establishing the 509th Composite Group to operate the B-29s that will deliver the bomb.

President Roosevelt dies, succeeded by Harry S. Truman.

Japanese begin withdrawal from China.

1,000 bomber raids against Japan begin.

Japanese troops on Wake Island surrender.

Japanese in Korea surrender.

Japanese in Burma surrender.

United Nations is born.