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Japan Invades North China
Japan invaded North China from Manchuria ("A Pearl Harbor Timeline"). -
The USA Emposes Trade Sanctions
The USA enforced trade sanctions and embargo, which were aimed at Japan to slow their agressive military ("A Pearl Harbor Timeline"). -
Japan plans an attack on Pearl Harbor
Adm, Yamamoto started communicating with officers from Japan about an attack on Pearl Harbor ("A Pearl Harbor Timeline"). -
The USA learns about the possible attack
Joseph C. Grew, the U.S. ambassador to Japan, informs Washington that Japan is planning a surprise attack on Pearl Harbor. No one in Washington believes the information ("A Pearl Harbor Timeline"). -
First units depart Japan
Submarines, the first units involved in the attack, depart Japan ("A Pearl Harbor Timeline"). -
Attack on Pearl Harbor
Pearl Harbor was attacked ("The Pearl Harbor Attack"). -
The USA declares War
President Roosevelt asked Congress to declare war with Japan ("A Pearl Harbor Timeline") -
Officers are relieved of their command
Adm. Kimmel and Gen. Short are relieved of their commands ("A Pearl Harbor Timeline"). -
They Find Kimmel and Short commpletly Responsible
The Roberts Commission appointed by President Roosevelt finds Kimmel and Short in dereliction of duty and solely responsible for the Pearl Harbor disaster ("A Pearl Harbor Timeline"). -
Found out about hidden information from Kimmel and Short
Capt. Laurence Safford, the Navy's former chief cryptographer, discovers that officials in Washington withheld secret information from Kimmel and Short ("A Pearl Harbor Timeline"). -
Naval Court finds Kimmel acted Correctly
Naval Court of Inquiry finds Kimmel had not been derelict but had acted appropriately given what he knew. The Chief of Naval Operations overrules the court, saying if Kimmel had done aerial reconnaissance he might have discovered the Japanese fleet just 250 miles off Hawaii ("A Pearl Harbor Timeline").