<Table> Internment of Japanese Americans <Tr> <Td_colspan="2"> Institutions of the War Relocation Authority in the Midwestern, Southern, and Western United States </Td> </Tr> <Tr> <Th> Date </Th> <Td> February 19, 1942--March 20, 1946 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Western United States, and parts of Midwestern and Southern United States (show) <Ul> <Li> Arizona </Li> <Li> Arkansas </Li> <Li> California </Li> <Li> Colorado </Li> <Li> Idaho </Li> <Li> Iowa </Li> <Li> Kansas </Li> <Li> Louisiana </Li> <Li> Minnesota </Li> <Li> Missouri </Li> <Li> Montana </Li> <Li> Nebraska </Li> <Li> Nevada </Li> <Li> New Mexico </Li> <Li> North Dakota </Li> <Li> Oklahoma </Li> <Li> Oregon </Li> <Li> South Dakota </Li> <Li> Texas </Li> <Li> Utah </Li> <Li> Washington </Li> <Li> Wyoming </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Institutions of the War Relocation Authority in the Midwestern, Southern, and Western United States </Td> </Tr>

When did the us put the japanese in internment camps