Magno Line Fortifications - A Brief History

By 1936 the Germans had almost perfect knowledge of where the fortifications were being built and the general details of how they were armed. The total cost was around 5 billion francs which as always is challenging to properly put into perspective due to inflation and currency conversions. With the successful offensive through the Ardennes the Magno line became mostly redundant as the primary fighting simply occurred elsewhere. But again this was not really a problem that this was the purpose of the fortifications to allow the French army to fight elsewhere and hopefully fight successfully. It's place within inner war French planning and its legacy is so important. In some ways it's almost impossible to determine how successful the Mag no line would have been if