One of the most formidable military projects in history, the Maginot Line was designed to prevent a repeat of the carnage of WWI, let alone a German conquest of France. A series of concrete fortifications, obstacles and weapon installations, the Line was constructed during 1929-38 and named after André Maginot, the French Minister of War (1929-31).
Constructed on the French side of its borders with Germany, Luxembourg, Switzerland and Italy, the Line was impervious to most forms of attack, including tank fire and aerial bombings. Its statistics were remarkable with a length that was hundreds of miles long and costing the French government 3.3 billion Francs to build. It consisted of 142 bunkers, 352 casemates and 5,000 blockhouses. Around 1.5 million cubic metres of concrete and 150,000 tons of steel…