In World War I, what did the Allies call the defence line that was known as the 'Siegfried Line' by the Germans?
Hindenberg Line Hindenburg line Battles of the Hindenburg Line 'HINDENBURG LINE' Advance to the Hindenburg Line Hindenburg Line
hindenberg line hindenburg line advance to hindenburg line battles of hindenburg line
hindenburg line
WikipediaEntity
'HINDENBURG LINE'