The Allied invasions of western Europe, June–November 1944

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The German Army high command had long been expecting an Allied invasion of northern France but had no means of knowing where precisely the stroke would come: while Rundstedt, commander in chief in the west, thought that the landings would be made between Calais and Dieppe (at the narrowest width of the Channel between England and France), Hitler prophetically indicated the central and more westerly stretches of the coast of Normandy as the site of the attack; and Rommel, who was in charge of the forces on France’s Channel coast, finally came around to Hitler’s opinion. (The Allies were also using deception operations, such as Operation Fortitude, to influence the German high command’s thinking.) The fortifications of those stretches were consequently improved, but Rundstedt and Rommel still took different views about the way in which the invasion should be met: while Rundstedt recommended a massive counterattack on the invaders after their landing, Rommel, fearing that Allied air supremacy might interfere fatally with the adequate massing of the German forces for such a counterattack, advocated instead immediate action on the beaches against any attempted landing. The Germans had 59 divisions spread over western Europe from the Low Countries to the Atlantic and Mediterranean coasts of France; but approximately half of this number was static, and the remainder included only 10 armoured or motorized divisions.

Postponed from May, the western Allies’ “Operation Overlord,” their long-debated invasion of northern France, took place on June 6, 1944—the war’s most celebrated D-Day—when 156,000 men were landed on the beaches of Normandy between the Orne estuary and the southeastern end of the Cotentin Peninsula: 83,000 British and Canadian troops on the eastern beaches, 73,000 Americans on the western. Under Eisenhower’s supreme direction and Montgomery’s immediate command, the invading forces initially comprised the Canadian 1st Army (Lieutenant General Henry Duncan Graham Crerar); the British 2nd Army (Lieutenant General Sir Miles Dempsey); and the British 1st and 6th airborne divisions, the U.S. 1st Army, and the U.S. 82nd and 101st airborne divisions (all under Lieutenant General Omar N. Bradley).

By 9:00 am on D-Day the coastal defenses were generally breached, but Caen, which had been scheduled to fall on D-Day and was the hinge of an Allied advance, held out until July 9, the one panzer division already available there on June 6 having been joined the next day by a second. Though the heavy fighting at Caen attracted most of the German reserves, the U.S. forces in the westernmost sector of the front likewise met a very stubborn resistance. But when they had taken the port of Cherbourg on June 26 and proceeded to clear the rest of the Cotentin, they could turn southward to take Saint-Lô on July 18.

The Allies could not have made such rapid progress in northern France if their air forces had not been able to interfere decisively with the movement of the German reserves. Allied aircraft destroyed most of the bridges over the Seine River to the east and over the Loire to the south. The German reserves thus had to make long detours in order to reach the Normandy battle zone and were so constantly harassed on the march by Allied strafing that they suffered endless delays and only arrived in driblets. And even where reserves could have been brought up, their movement was sometimes inhibited by hesitation and dissension on the Germans’ own side. Hitler, though he had rightly predicted the zone of the Allies’ landings, came to mistakenly believe, after D-Day, that a second and larger invasion was to be attempted east of the Seine and so was reluctant to allow reserves to be moved westward over that river. He also forbade the German forces already engaged in Normandy to retreat in time to make an orderly withdrawal to new defenses.

Rundstedt, meanwhile, was slow in obtaining Hitler’s authority for the movement of the general reserve’s SS panzer corps from its position north of Paris to the front; and Rommel, though he made prompt use of the forces at hand, had been absent from his headquarters on D-Day itself, when a forecast of rough weather had seemed to make a cross-Channel invasion unlikely. Subsequently, Rundstedt’s urgent plea for permission to retreat provoked Hitler, on July 3, to appoint Günther von Kluge as commander in chief in the west in Rundstedt’s place; and Rommel was badly hurt on July 17, when his car crashed under attack from Allied planes.

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There was something else, besides the progress of the Allies, to demoralize the German commanders—the failure and the aftermath of a conspiracy against Hitler. Alarmed at the calamitous course of events and disgusted by the crimes of the Nazi regime, certain conservative but anti-Nazi civilian dignitaries and military officers had formed themselves into a secret opposition, with Karl Friedrich Goerdeler (a former chief mayor of Leipzig) and Colonel General Ludwig Beck (a former chief of the army general staff) among its leaders. From 1943 this opposition canvased the indispensable support of the active military authorities with some notable success: General Friedrich Olbricht (chief of the General Army Office) and several of the serving commanders, including Rommel and Kluge, became implicated to various extents. Apart from General Henning von Tresckow, however, the group’s most dynamic member was Colonel Graf Claus von Stauffenberg, who as chief of staff to the chief of the army reserve from July 1, 1944, had access to Hitler. Finally, it was decided to kill Hitler and to use the army reserve for a coup d’état in Berlin, where a new regime under Beck and Goerdeler should be set up. On July 20, therefore, Stauffenberg left a bomb concealed in a briefcase in the room where Hitler was conferring at his headquarters in East Prussia. The bomb duly exploded; but Hitler survived, and the coup in Berlin miscarried. The Nazi reaction was savage: besides 200 immediately implicated conspirators, 5,000 people who were more remotely linked with the plot or were altogether unconnected with it were put to death. Kluge committed suicide on August 17, Rommel on October 14. Fear permeated and paralyzed the German high command in the weeks that followed.

On July 31, 1944, the Americans on the Allies’ right, newly supported by the landing of the U.S. 3rd Army under Patton, broke through the German defenses at Avranches, the gateway from Normandy into Brittany. On August 7 a desperate counterattack by four panzer divisions from Mortain, east of Avranches, failed to seal the breach, and American tanks poured southward through the gap and flooded the open country beyond. Though some of the U.S. forces were then swung southwestward in the hope of seizing the Breton ports in pursuance of the original prescription of “Overlord” and though some went on in more southerly directions toward the crossings of the Loire, others were wheeled eastward—to trap, in the Falaise “pocket,” a large part of the German forces retreating southward from the pressure of the Allies’ left at Caen. The Americans’ wide eastward flanking maneuver after the breakout speedily produced a general collapse of the German position in northern France.

Meanwhile, more and more Allied troops were being landed in Normandy. On August 1, two army groups were constituted: the 21st (comprising the British and Canadian armies) under Montgomery; and the 12th (for the Americans) under Bradley. By the middle of August an eastward wheel wider than that which had cut off the Falaise pocket had brought the Americans to Argentan, southeast of Falaise and level with the British and Canadian advance on the left (north) of the Allies’ front, so that a concerted drive eastward could now be launched; and on August 19 a U.S. division successfully crossed the Seine at Mantes-Gassicourt. Already on August 17 the Americans on the Loire had taken Orléans. The clandestine French Resistance in Paris rose against the Germans on August 19; and a French division under General Jacques Leclerc, pressing forward from Normandy, received the surrender of the German forces there and liberated the city on August 25.

The German forces would have had ample time to pull back to the Seine River and to form a strong defensive barrier line there had it not been for Hitler’s stubbornly stupid orders that there should be no withdrawal. It was his folly that enabled the Allies to liberate France so quickly. The bulk of the German armoured forces and many infantry divisions were thrown into the Normandy battle and kept there by Hitler’s “no withdrawal” orders until they collapsed and a large part of them were trapped. The fragments were incapable of further resistance, and their retreat (which was largely on foot) was soon outstripped by the British and American mechanized columns. More than 200,000 German troops were taken prisoner in France, and 1,200 German tanks had been destroyed in the fighting. When the Allies approached the German border at the beginning of September, after a sweeping drive from Normandy, there was no organized resistance to stop them from driving on into the heart of Germany.

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Meanwhile, “Operation Dragoon” (formerly “Anvil”) was launched on August 15, 1944, when the U.S. 7th Army and the French 1st Army landed on the French Riviera, where there were only four German divisions to oppose them. While the Americans drove first into the Alps to take Grenoble, the French took Marseille on August 23 and then advanced eastward through France up the Rhône Valley, to be rejoined by the Americans north of Lyon early in September. Both armies then moved swiftly northeastward into Alsace.

In the north, however, some discord had arisen among the Allied commanders after the crossing of the Seine. Whereas Montgomery wanted to concentrate on a single thrust northeastward through Belgium into the heavily industrialized Ruhr Valley (an area vital to Germany’s war effort), the U.S. generals argued for continuing to advance eastward through France on a broad front, in accordance with the pre-invasion plan. Eisenhower, by way of compromise, decided on August 23 that Montgomery’s drive into Belgium should have the prior claim on resources until Antwerp should have been captured but that thereafter the pre-invasion plan should be resumed.

Consequently, Montgomery’s 2nd Army began its advance on August 29, entered Brussels on September 3, took Antwerp, with its docks intact, on September 4, and went on, three days later, to force its way across the Albert Canal. The U.S. 1st Army, meanwhile, supporting Montgomery on the right, had taken Namur on the day of the capture of Antwerp and was nearing Aachen. Far to the south, however, Patton’s U.S. 3rd Army, having raced forward to take Verdun on August 31, was already beginning to cross the Moselle River near Metz on September 5, with the obvious possibility of achieving a breakthrough into Germany’s economically important Saarland. Eisenhower, therefore, could no longer devote a preponderance of supplies to Montgomery at Patton’s expense.

Montgomery nevertheless attempted a thrust to cross the Rhine River at Arnhem, the British 1st Airborne Division being dropped ahead there to clear the way for the 2nd Army, but the Germans were just able to check the thrust, thus isolating the parachutists, many of whom were taken prisoner. By this time, indeed, the German defense was rapidly stiffening as the Allies approached the German frontiers: the U.S. 1st Army spent a month grinding down the defenses of Aachen, which fell at last on October 20 (the first city of prewar Germany to be captured by the western Allies); and the 1st Canadian Army, on the left of the British 2nd, did not clear the Schelde estuary west of Antwerp, including Walcheren Island, until early November. Likewise, Patton’s 3rd Army was held up before Metz.

The Allies’ amazing advance of 350 miles in a few weeks was thus brought to a halt. In early September the U.S. and British forces had had a combined superiority of 20 to 1 in tanks and 25 to 1 in aircraft over the Germans, but by November 1944 the Germans still held both the Ruhr Valley and the Saarland, after having been so near collapse in the west in early September that one or the other of those prizes could have easily been taken by the Allies. The root of the Allied armies’ sluggishness in September was that none of their top planners had foreseen such a complete collapse of the Germans as occurred in August 1944. They were therefore not prepared, mentally or materially, to exploit it by a rapid offensive into Germany itself. The Germans thus obtained time to build up their defending forces in the west, with serious consequences both for occupied Europe and the postwar political situation of the Continent.