The Army activated the 100th Infantry Battalion, made up largely of Nisei former Hawaii National Guardsmen; the 'One Puka Puka' became one of the most decorated units of the war and a forerunner of the 442nd. (Shares Jun 12 with the Heart Mountain draft-resisters trial.)
The mass trial of 63 Heart Mountain draft resisters-Fair Play Committee members who refused induction while their families were imprisoned-opened in Cheyenne; all were convicted in Wyoming's largest mass trial. (Shares Jun 12 with the 100th Battalion's activation.)
The Supreme Court struck down laws banning interracial marriage; many such statutes had also criminalized Asian-white unions, so the ruling ended anti-miscegenation bars affecting Asian Americans nationwide. (Shares Jun 12 with the 100th Battalion and the Heart Mountain trial.)