January 5, 1942
Japanese American selective service registrants classified as enemy aliens (IV-C). Many Japanese American soldiers discharged or assigned to menial labor such as "kitchen police."
January 28, 1942
The California State Personnel Board voted to bar all "descendants of natives with whom the United States [is] at war" from all civil service positions. This was only enforced against Japanese Americans.
January 29, 1942
Attorney General Francis Biddle began the establishment of prohibited zones forbidden to all enemy aliens. German, Italian, and Japanese aliens were ordered to leave San Francisco waterfront areas.
February 4, 1942
The U.S. Army established 12 "restricted areas" in which enemy aliens were restricted by a 9 p.m. to 6 a.m. curfew, allowed to travel only to and from work, and not more than 5 miles from their home.
February 6, 1942
A Portland American Legion post urged the removal of "enemy aliens, especially from critical Coast areas," including Japanese American citizens.
February 16, 1942
California Joint Immigration Committee urged that all Japanese Americans be removed from the Pacific Coast and any other vital areas. 2,192 Japanese Americans under arrest by the FBI.
February 19, 1942
President Roosevelt signed Executive Order 9066, authorizing the secretary of war to define military areas "from which any or all persons may be excluded as deemed necessary or desirable."
February 26, 1942
Navy ordered Japanese American residents of Terminal Island, San Pedro, California, to leave within 48 hours to settle wherever they could.
February 28, 1942
House Committee on Un-American Activities released its 300 page Yellow Book, containing almost every possible charge against Japanese Americans.
March 2, 1942
General DeWitt issued Public Proclamation No. 1, creating military areas in Washington, Oregon, California, and parts of Arizona and declaring the right to remove German, Italian, and Japanese aliens and anyone of "Japanese Ancestry" living in Military Areas No. 1 and 2 should it become necessary.
March 12, 1942
The Secretary of Treasury designated the Federal Reserve Bank of San Fancisco to handle Japanese American property, while the Farm Security Administration was given control over Japanese American farms and farm equipment.
March 16, 1942
DeWitt issued Public Proclamation No. 2, creating Military Areas 3 to 6 in Idaho, Montana, Nevada, and Utah, respectively.
March 18, 1942
Roosevelt created the War Relocation Authority (WRA). Milton Eisenhower became responsible for a plan to remove designated persons from the restricted areas.
March 21, 1942
Manzanar, the first American concentration camp, opened.
March 23, 1942
DeWitt issued Civilian Exclusion Order No. 1, giving alien and non-alien persons of Japanese ancestry one week to leave Bainbridge Island in Seattle's Puget Sound.
March 24, 1942
Public Proclamation No. 3 included Japanese American citizens among "enemy aliens" who must obey travel restrictions, curfew, and contraband regulations.
March 27, 1942
Public Proclamation No. 4 prohibited Japanese aliens from voluntary evacuation of Military Area No. 1.2
March 28, 1942
The Portland, Oregon curfew violated by Minoru Yasui.
May 13, 1942
Ichiro Shimoda shot and killed for trying to escape from Fort Sill.
May 16, 1942
Seattle's curfew and exclusion restrictions violated by Gordon Hirabayashi.
May 30, 1942
Fred Korematsu arrested in San Leandro, California for exclusion violation.
June 7, 1942
General DeWitt announced completion of the removal of 100,000 Japanese Americans from Military Area No. 1.2
June 12, 1942
Fred T. Korematsu was charged with violation of Exclusion Order No. 34 in U.S. District Court for Northern California.
July 13, 1942
Mitsuye Endo filed for Writ of Habeas Corpus.
August 7, 1942
Removal of all Japanese Americans (over 110,000) completed in Military Areas No. 1 and 2.2
October 20, 1942
Trial of Gordon K. Hirabayashi started in Seattle with Judge Lloyd L. Black.
December 6, 1942
At Manzanar, arrest of prisoners accused of informer-beating led to protest and violence. Military police fired into the crowd, killing two protesters and wounding at least 10 more.