When did the USSR invade Poland?
September 17th 1939
1939
1939
1939
1939
1939
1939
1939
1939
1939
1939
1939
September 17th 1939
September 1st 1939
September 1, 1939
1939
September 1939
September 17th 1939
1939
September 17, 1939
1 September 1939
September 1939
September 1st 1939
September 17th 1939
1939
September 17th, 1939
September 1939
September 1, 1939
1939
September 17th 1939
22-Nov-39
September 1st 1939
September 1939
1939
September 17, 1939
22-Nov-41
1 September 1939
September 17th, 1939
September 17th 1939
20-Nov-41
September 1939
20-Nov-39
1939
22-Nov-69
20-Nov-69
September 22, 1939
22-Nov-80
September 1st 1939
September 17th 1939
September 1, 1939
September 1939
1939
September 17th, 1939
September 17 1939
22-Nov-19
22-Nov-39
22-Nov-41
September 17th 1939
1939
September 17, 1939
September 1939
20-Nov-19
20-Nov-41
1 September 1939
22-Nov-69
September 1st 1939
22-Nov-84
20-Nov-69
22-Nov-80
1939
September 17th, 1939
September 1939
September 22, 1939
22-Nov-19
September 17th 1939
September 1, 1939
1939.
22-Nov-41
22-Nov-39
September 1939
20-Nov-19
September 1st 1939
22-Nov-69
22-Nov-84
22-Nov-80
September 17, 1939
September 17th, 1939
22-Nov-41
1939.
1 September 1939
September 1st 1940
September 1st 1944
22-Nov-76
September 17th 1939
September 1939
20-Nov-41
September 17th 1939.
22-Nov-39
22-Nov-19
20-May-39
22-Nov-69
22-Nov-84
20-Nov-84
20-Nov-69
September 1st 1939
20-May-41
1939.
September 22, 1939
September 1st 1941
September 1939
September 1st 1940
September 1st 1944
September 1, 1939
September 17th, 1939
22-Nov-19
September 17th 1939
22-Nov-41
20-Nov-19
September 1939
September 1st 1941
1939.
September 1st 1940
20-Nov-41
22-May-39
September 1st 1939
September 17th 1939.
20-May-1939
September 17, 1939
22-Nov-80
1 September 1939
22-Nov-39
22-Nov-69
22-Nov-84
September 17th 1944
1739
22-Oct-20
22-Oct-24
22-Oct-19
September 1939
22-Oct-21
September 1st 1944
September 17th 1939
1939.
September 1st 1941
September 1st 1940
September 17th 1939.
22-Nov-19
23-May-39
23-Oct-19
September 22, 1939
22-May-41
September 1, 1939
22-Nov-41
September 1939
1939.
September 1st 1944
22-Nov-80
September 1st 1941
22-May-1939
September 1st 1940
September 17th 1939
22-Nov-69
22-Nov-84
22-Nov-76
22-Nov-79
September 1939.
September 1st 1939
September 17, 1939
September 1939
1739
23-May-41
1 September 1939
22-Nov-19
23-Oct-24
23-Oct-19
23-Oct-20
23-Oct-21
23-May-1939
1939.
September 17th 1944
23-May-39
September 17th 1940
September 1939.
September 17th 1939
September 1st 1945
September 1939
September 1, 1939
September 1st 1944
22-Oct-24
22-Oct-20
23-May-41
1939.
September 22nd 1939
September 17th 1941
22-Oct-21
22-Sep-21
22-Sep-19
September 1939
22-May-41
22-May-39
September 17th, 1939