internment camps By 56754 Dec 7, 1941 Pearl Harbor was bombed Mar 25, 1942 Japanese evacuees arive in Manzanar Dec 18, 1944 first mayjor steps in closing camps supreme court rules that loyal citizens cannot be held in camps against their will. Aug 6, 1945 U.S bomed Hiroshima Japan Aug 14, 1945 World war II ends Japan surrenders Nov 21, 1945 Manzanar officially closes Jun 3, 1952 japanese have right to become U.S. Citizens congress passes law 414, granting that Japenese aliens the right to become naturalized U.S. citizens