Executive Order 9066

Executive Order 9066
US Gov · Public domain · source
Name	Executive Order 9066
Date signed	February 19, 1942
Signed by	Franklin D. Roosevelt
Purpose	Military exclusion and internment authority during World War II
Status	Historical; repealed by subsequent actions and court decisions

Executive Order 9066

Executive Order 9066 was an executive order issued by U.S. President Franklin D. Roosevelt on February 19, 1942, authorizing designated military commanders to prescribe military areas and exclude anyone from them. It enabled the forced removal, exclusion, and incarceration of approximately 120,000 people of Japanese American ancestry and others during World War II. EO 9066 is widely regarded as a pivotal civil liberties case in the history of the United States and the US Civil Rights Movement because it raised enduring questions about race, due process, and the limits of government power in wartime.

Background and issuance

In the months after the Attack on Pearl Harbor (December 7, 1941) and the U.S. entry into World War II, military and political leaders expressed concern over espionage and sabotage on the West Coast. Anti-Japanese sentiment, reinforced by wartime media and some politicians, intersected with long-standing laws such as the Alien Land Laws and discriminatory practices including the Gentlemen's Agreement of 1907 and the history of exclusionary immigration policy like the Immigration Act of 1924. The War Department and the Office of Naval Intelligence provided assessments that influenced decisionmakers. On February 19, 1942, Roosevelt signed EO 9066, delegating authority to military commanders, most prominently Lieutenant General John L. DeWitt of the Western Defense Command, to designate exclusion zones and remove residents.

Legal and governmental framework

EO 9066 itself did not mention any particular ethnic group or prescribe internment, but it granted broad authority under wartime powers. The order operated alongside proclamations such as Public Proclamation No. 1 and implementing regulations issued by the Department of War and War Relocation Authority. The legal framework drew on the Insular Cases-era doctrines about national security and on precedents of deference to military judgment. The lack of individualized judicial process raised constitutional issues under the Fifth Amendment to the United States Constitution (due process) and equal protection principles later articulated through the Fourteenth Amendment to the United States Constitution jurisprudence. Decisions by agencies and courts during the period reflected expansive executive and military discretion.

Implementation: internment and exclusion zones

Implementation began with exclusion orders for residents of designated military areas, primarily the Pacific Coast Military Zone. The Western Defense Command issued orders that led to the removal of Japanese Americans from the West Coast to temporary assembly centers such as the Santa Anita Assembly Center and Manzanar War Relocation Center, and then to inland concentration camps operated by the War Relocation Authority, including Tule Lake, Topaz War Relocation Center (Central Utah), and Gila River War Relocation Center. Other groups targeted included some German American and Italian American residents, as well as noncitizen nationals. The process involved curfews, property loss, forced sales, and the disruption of businesses, farms, and educational institutions such as the University of California campuses that lost students and faculty.

Impact on Japanese Americans and communities

The order uprooted families, destroyed livelihoods, and inflicted psychological and cultural harm on Japanese American communities. Citizens and noncitizens—many of whom were Nisei (second-generation Japanese Americans) and Issei (first-generation immigrants)—faced detention without individualized charges. Economic losses from abandoned property, broken contracts, and forced liquidation were extensive. Social institutions including churches, newspapers, and community organizations were disrupted. The trauma influenced later generations and contributed to activism in the postwar period. The internment experience is memorialized at sites such as the Manzanar National Historic Site and in literature including works by John Okada and Jeanne Wakatsuki Houston.

Legal challenges and Supreme Court cases

Several legal challenges reached the federal courts. In Korematsu v. United States (1944), the Supreme Court upheld exclusion orders as a wartime necessity, a decision that has been widely criticized and effectively repudiated in later jurisprudence. In Hirabayashi v. United States (1943) and Ex parte Endo (1944), the Court addressed curfew orders and the detention of loyal citizens; Endo resulted in the Court ruling that the government could not continue to detain a demonstrably loyal citizen. Decades later, legal redress efforts employed writs of coram nobis and legislative remedies; partially successful coram nobis petitions overturned convictions of some who had resisted the exclusion orders. The legal history of EO 9066 remains a central study in national security law and civil liberties scholarship.

Civil rights responses and activism

During and immediately after the war, resistance to EO 9066 took multiple forms: legal challenges by organizations such as the American Civil Liberties Union and individual acts of refusal by Issei and Nisei activists. Postwar civil rights activism built on internment legacies, informing broader movements for racial justice and influencing Asian American political identity. In the 1960s and 1970s, a renewed wave of activism—linked to the Asian American Movement and coalitions with the Civil Rights Movement—recentered internment as a civil rights issue, contributing to community organizing, scholarship, and cultural reclamation.

Redress, reparations, and legacy

A formal redress movement culminated in the 1980s with the Commission on Wartime Relocation and Internment of Civilians (CWRIC), which concluded that the actions were not justified by military necessity but resulted from "race prejudice, war hysteria, and a failure of political leadership." The findings led to the Civil Liberties Act of 1988, signed by President Ronald Reagan, which provided a formal apology and monetary reparations to surviving internees and established a program of public education. In recent decades, EO 9066 has influenced debates over executive power, immigration policy, surveillance, and detention—resonating in discussions about Japanese American redress, public memory, and constitutional safeguards. The legacy endures in scholarship, museum exhibits, and ongoing legal and civic education efforts.

Category:Japanese American history Category:United States home front during World War II Category:Civil rights in the United States