Japanese Internment Camps Timeline

Main

1/3 of the U.S. Japanese population was issei; 2/3 was nisei

1941

Japanese population in California, Oregon, and Washington totalled about 119,000

1941

Japan Attacks Pearl Harbor

December 7, 1941

Hawaiian Japanese population placed under martial law

February 1942 - 1945

West Coast U.S. Japanese put in internment camps (Wyoming, Utah, other states)

February 1942 - 1945

Young Japanese men volunteer for military duty

February 1942 - 1945

U.S. Supreme Court upholds interment

1944

Japanese-Americans released from prison

1945