December 8, 1941 - U.S. and Britain declare war on Japan. Japanese land near Singapore and enter Thailand.
December 9, 1941 - China declares war on Japan.
December 11, 1941 - Japanese invade Burma.
December 15, 1941 - First Japanese merchant ship sunk by a U.S. submarine.
December 23, 1941 - General Douglas MacArthur begins a withdrawal from Manila to Bataan; Japanese take Wake Island.
December 25, 1941 - British surrender at Hong Kong
1942
January 27, 1942 - First Japanese warship sunk by a U.S. submarine.
February 22, 1942 - President Franklin D. Roosevelt orders General MacArthur out of the Philippines.
March 18, 1942 - Gen. MacArthur appointed commander of the Southwest Pacific Theater by President Roosevelt.
May 6, 1942 - Japanese take Corregidor as Gen. Wainwright unconditionally surrenders all U.S. And Filipino forces in the Philippines.
May 7-8, 1942 - Japan suffers its first defeat of the war during the Battle of the Coral Sea off New Guinea - the first time in history that two opposing carrier forces fought only using aircraft without the opposing ships ever sighting each other.
June 4-5, 1942 - Turning point in the war occurs with a decisive victory for the U.S. against Japan in the
August 29, 1942 - The Red Cross announces Japan refuses to allow safe passage of ships containing supplies for U.S. POWs.
September 27, 1942 - British offensive in Burma.
December 31, 1942 - Emperor Hirohito of Japan gives permission to his troops to withdraw from Guadalcanal after five months of bloody fighting against U.S. Forces
1943
February 8, 1943 - British-Indian forces begin guerrilla operations against Japanese in Burma.
February 9, 1943 - Japanese resistance on Guadalcanal ends.
March 2-4 - U.S. victory over Japanese in the Battle of Bismarck Sea.
April 22, 1943 - Japan announces captured Allied pilots