6th; Alexanader

Eastern

10/03/1935
05/07/1936
03-12-1938
08/19/1939
sept 1 1939
09/01/1939
09/03/1939 - 05/1945
09/03/1939
04/04/1940
04/09/1940
05/10/1940
may 10 1940
10 may 1940
05/20/1940
06/10/1940
06/19/1940
09/07/1940
oct 5 1940
06/22/1942
05-1-43
05/13/1943
09/03/1943
06/06/1944
09/5/1944
12/16/1944 - 01/25/1945
04-24-1945

Western

09/19/1931
04/09/1942
04/18/1942
05/04/1942 - 05/08/1942
06/07/1942
08/07/1942
12/07/1942
09/02/1945

Nuclear weapon

06/28/1940
07/16/1945
08/06/1945
08/09/1945

Political & Other

01/30/1933
03/04/1933
08/02/1934
09/15/1935
09/30/1938
11/09/1938 - 11/10/1938
05/10/1940
03/11/1941
08/09/1941 - 08/12/1941
07/25/1943
02/04/1945 - 02/11/1945
04/12/1945