Clearing the Channel Coast

Clearing the Channel Coast was a World War II task undertaken by the First Canadian Army in August 1944, following the Allied Operation Overlord and the victory, break-out and pursuit from Normandy.

The Canadian army advanced from Normandy to the Scheldt river in Belgium. En route, they were to capture the Channel ports needed to supply the Allied armies, clear the Germans from the Channel littoral and launch sites for the V-1 flying bombs. The German 15th Army was able only to oppose the advance with sporadic resistance, wary of being outflanked and isolated by the rapidly advancing British Second Army on the right of the Canadians and executed an orderly retreat north-eastwards towards the Scheldt.

On 4 September Adolf Hitler declared the Channel ports to be fortresses but Dieppe and Ostend were taken without opposition. Le Havre, Boulogne and Calais were subjected to set-piece assaults, after massed bombing and an attack on Dunkirk was cancelled and the garrison contained. Troops investing Dunkirk were freed for the Battle of the Scheldt, where the First Canadian Army reduced the Breskens Pocket, cleared the mouth of the Scheldt and opened Antwerp to Allied shipping.

Background

Normandy to the Seine

The German armies had strongly resisted the Allied break-out from Normandy and when the German front collapsed in August they had insufficient reserves of manpower and equipment to resist and no defence lines between Normandy and the Siegfried Line. The British I Corps, with four divisions, attached to the Canadian army, had been advancing eastwards from the River Dives along the coast. The 6th Airborne Division and attached units captured Troarn and overran the German coastal artillery at Houlgate but deliberate flooding by the Germans, the defences of Cabourg and positions nearby at Dozulé, slowed the advance across the Dives delta. On 16 August, German resistance faltered; Canadian reconnaissance had been ordered on 19 August and the authorization for a full advance and pursuit by the Canadians was issued on 23 August.

General Bernard Montgomery, the 21st Army Group commander, issued a directive on 26 August, that all German forces in the Pas de Calais and Flanders were to be destroyed and Antwerp was to be captured. The First Canadian Army was required to cross the Seine and capture Dieppe and Le Havre with the minimum of forces and delay, while occupying the coast as far as Bruges. The Canadian army was to advance with a strong right wing and envelop resistance by swinging towards the coast; support could be expected from the First Allied Airborne Army. The Second Army was to operate on the inland flank of the Canadians and dash for Amiens, cutting the communications of the German forces facing the Canadian Army.

It is a measure of the German disintegration that the 1st Polish Armoured Division was in Ypres on 6 September and Canadian units were at Dunkirk on 7 September, just fifteen days after Falaise, despite their losses in the Normandy battles. There was significant resistance in the Canadian sector. Adolf Hitler had ordered that most of the Channel ports be established as fortresses and prepared to withstand a siege. Since the Allies needed the port facilities to supply their advance, they could not be sealed off and left to wither on the vine. The Germans had established artillery positions capable of shelling Dover, threatening allied shipping and there were launch sites for the V-1 flying bombs bombarding London.

Prelude

Allied armies

The composition of the First Canadian Army varied to meet changing demands but in general terms it was composed of the II Canadian Corps and the I British Corps. Within these formations, at various times, were Czech, Polish, French, Dutch and Belgian units. After Normandy, the Polish and Czech formations were augmented by countrymen who had been conscripted into the German Army and changed sides.

The First Canadian Army had fought several battles in Normandy, resulting in depleted commanders and manpower at all levels. This was particularly serious in the infantry rifle companies. The I British Corps (commanded by Lieutenant-General John Crocker), attached to the First Canadian Army, had the 7th Armoured Division and the 49th (West Riding) Infantry Division, 51st (Highland) Division and the British 6th Airborne Division. The infantry divisions had not performed satisfactorily in Normandy and had been relegated to defensive positions on the eastern flank of the bridgehead. The 6th Airborne Division had landed in Operation Tonga on D-Day and despite its lack of heavy weapons, remained defending the area. It had suffered many casualties and Major-General Richard Gale, had been ordered to harry the German retreat yet conserve its manpower for the rebuilding that was due. The 6th Airborne Division was reinforced by the 1st Belgian Infantry Brigade and the Royal Netherlands Brigade (Prinses Irene), which were to gain "operational experience in quieter sections of the line in the hope that ultimately they would return to their own countries and form nuclei around which larger national forces might be organized".Report 183, p.39

The I British Corps advanced along the Channel coast, with the II Canadian Corps on the right.

German

Much of Army Group B (''Heeresgruppe'' B) had been destroyed in Normandy and the Falaise Pocket but divisions deployed east of the Allied bridgehead were largely intact. German troops within the "fortress cities" were generally second-rate and included some Austrian and other nationalities, that were not trusted enough to carry arms.

Advance to the Seine

The First Canadian Army advance to the Seine was called Operation Paddle. It had been hoped by the Allied commanders that a defeat comparable with the Falaise Pocket could be inflicted on the Germans by trapping them against the Seine and the sea. The American Third Army advanced northwards to Elbeuf, across the Second Army line of advance, to cut off the route towards Paris and was a partial success. Although much of its remaining transport and the bulk of its armour was lost west of the Seine, Army Group B held up the Canadians, protecting improvised river crossings and significant quantities of men and materiel were saved.Chapter XII, p.320

The towns along the River Touques were evacuated by the Germans around 24 August and the capture of Lisieux, about east of Caen

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