After World War II, the pre-war border was restored.
Third Army (Ottoman Empire) was also moving forward to pre-war borders.
In 1953 the two sides agreed to a return to the pre-war borders and a de-militarization of the border area.
By early 1944, the Fourth Panzer Army had been pushed back to the pre-war 1939 Polish border.
The Small Plan was to be put into practice as the Germans conquered the areas to the east of their pre-war borders.
Defeat on other fronts caused the Ottoman Empire to surrender and withdraw to the pre-war borders.
Hostilities resumed and the Ottoman troops overran new lands to the east, reaching the pre-war borders.
The Third Army was also moving forward to pre-war borders.
Soviet forces were, all along the front, approaching the pre-war border.
However, in Poland it is viewed by some as an attempt to reopen the wounds of the war and to revert to pre-war borders.