Dec. 7, 1941: Japan attacks Pearl Harbor, Hawaii.

February 1942: President Franklin D. Roosevelt signs Executive Order 9066, sending nearly 120,000 Japanese and Japanese Americans into 10 relocation centers in Arizona, Arkansas, California, Colorado, Idaho, Utah and Wyoming.

June 1942: The Morrison-Knudsen Co. begins building the Minidoka camp. The camp is also called "Hunt," after the nearest post office.

August 1942: The 33,000-acre Minidoka camp opens and will house more than 9,000 internees.

October 1945: The government dismantles the camp and gives parcels of land to veterans in a lottery system. Camp buildings, too, are given away.

1972: The Minidoka camp site is now on the National Register of Historic Places.

1990: The site is named an Idaho Centennial site.

2001: President Bill Clinton creates the 73-acre Minidoka Internment National Monument.

2007: Legislation before Congress could turn Minidoka into a National Historic Site. It also could provide money to expand the site from 73 acres to 292 acres.