Cryptologic History Calendar

1919: Lt. William Friedman left AEF G6A2 to return to U.S.

Wednesday, February 7, 2018

1919: Lt. William Friedman left AEF G6A2 to return to U.S.

Description: 7 February 1919: Lt William Friedman left AEF G6A2 to return to the United States.