The Forgotten Siege of Dunkirk (1944 – 1945) – The Last German Offensive Operation in France D
When I say the Siege of Dunkirk you most likely will think about the 1940 Dunkirk evacuation where the Allies were stranded on the beaches of Dunkirk and eventually were evacuated. But what if I told you there was another Siege of Dunkirk which occurred from mid-September 1944 till May 1945 and this time it was the Germans that were besieged by the Allies. But they held on till Germany’s unconditional surrender.
This here is the story about Germany’s last offensive operation in France. Keep watching. First of all a quick apology, sorry about these animal noises. I love shooting on location but man, these creatures were loud. Anyway, the rest of the video is recorded from my studio so we won’t be disturbed by animal noises… *Meow* Let’s just start, but before doing so I want to say…
Good to have you back on the channel. If you’re new on this channel, my name is Stefan, I’m a Dutch history teacher and I love to cover history (partially) on location. Like right now, I’m in Dunkirk, France. And if you find this content interesting please consider subscribing and do not forget to hit that notification bell. Let’s start with the episode.
Dunkirk in 1940. In May that year, German troops invaded France and the Low Countries at lightning speed. British and French armies were surrounded along the coast near Dunkirk and faced total annihilation. Instead of surrendering or fighting to the last man, the Allies decided on a massive evacuation: Operation Dynamo.
Between May 26 and June 4 more than 338,000 soldiers were evacuated by sea to Great Britain. Not only military ships, but also hundreds of small civilian vessels, such as fishing boats and pleasure yachts, were deployed to rescue soldiers from the beaches. Although vast quantities of equipment had to be left behind, the majority of the British army was saved. The evacuation was later hailed as the “Miracle of Dunkirk.
” Four years later the Allies returned to Dunkirk. At the end of July 1944, the Allies finally achieved a breakthrough in Normandy with Operation Cobra. Nearly two months after the D-Day landings, they managed to break out of the narrow Normandy bridgehead and begin a rapid advance across France.
The German army, already weakened by the devastating Soviet offensive of Operation Bagration on the Eastern Front, could no longer contain the Allied forces in western France. As German resistance collapsed, Allied troops pushed swiftly toward Paris. By this stage of the war, forces from many occupied nations had joined the campaign to liberate Western Europe. Polish, Free French, and Dutch troops all fought alongside the British, Americans, and Canadians during the advance across France.
Another important but often overlooked operation in the liberation of France was Dragoon. In mid-August 1944, more than 150,000 Allied soldiers landed on the French Riviera between Marseille and Nice. The landings forced the Germans to retreat even faster from southern France and helped accelerate the liberation of the country. Although much of southern France escaped major destruction, the same could not be said for Normandy, where countless towns and cities had been devastated during the fighting.
After the Allied breakout from Normandy in the summer of 1944, Adolf Hitler issued a clear order: all major ports along the Atlantic and Channel coast had to be defended as “fortress cities.” The goal was simple. The Allies were not to use these ports for supply operations and had to be forced to waste valuable time and manpower.
Ports such as Le Havre, Boulogne, and Calais eventually fell into Allied hands. But one port proved far more resilient: Dunkirk. By early September 1944, British and Canadian troops had fully encircled the city. Instead of launching a direct assault, however, they chose a different strategy. They would isolate the city and attempt to force the fortress into surrender.
This decision was also influenced by the fact that the Allies prioritised Antwerp, which was considered strategically more important. To use that port, the Scheldt estuary first had to be secured. Inside Dunkirk were more than 10,000 German soldiers. Their commander was Vice Admiral Friedrich Frisius, an experienced naval officer now responsible for ground defence.
His forces included elements of the 226th Infantry Division, naval units, and heavy coastal artillery. But their greatest ally was the landscape itself. The area around Dunkirk was low-lying and deliberately flooded, turning large sections into impassable terrain. Troops could only move along raised roads, making every movement visible and highly vulnerable to enemy fire.
Here is an example of a British captain and his orderly: “During the evening, the battalion’s intelligence officer, Captain Bruce Valentine Marshall, and his batman, Private L. Torlacius, took a wrong turn in a jeep while heading back to brigade headquarters. The two drove straight into an 88 – millimetre gun position guarded by machine guns, and twenty-three-year-old Marshall was killed.
Torlacius found cover in a ditch and then worked his way back to the Camerons’ lines. Marshall’s death due to blundering into a strong German position served as yet another warning that the defenders of Dunkirk were determined and strong enough to offer a real fight.” Allies were constantly exposure to German artillery.
Every attack became dangerous and costly. The task of encircling Dunkirk fell mainly to the First Canadian Army. In September 1944, Canadian brigades advanced toward the city, not to capture it directly, but to seal off all access routes. Fighting concentrated around places such as Loon-Plage, Mardick, Spycker, and Bergues. The flooded terrain made operations extremely difficult.
With open fields turned into waterlogged ground, soldiers were forced to advance along narrow roads—perfect kill zones for German guns. German artillery fired on anything within range. At Loon-Plage, Canadian troops initially pushed forward but were eventually forced back. Many soldiers had gone days without food or water.
At Coppenaxfort, troops had to advance along a long straight road for kilometres without cover, under continuous fire. Armoured vehicles were knocked out and infantry units pinned down. Progress was slow and costly. Nevertheless, by mid-September the Allies achieved their objective: Dunkirk was completely surrounded. Rather than risk a direct assault, they decided to leave it contained.
The siege was handed over to the Czechoslovak Independent Armoured Brigade Group under General Alois Liška. This unit, formed in Britain in 1943, consisted of Czech and Slovak soldiers who had fled their occupied homeland. From October 1944 onward, the city remained under siege with no major assault launched. The German garrison held out inside the perimeter.
Surprisingly, they were still being supplied. Between 28 April and 2 May 1945, just days before the end of the war, the Germans used small Seehund midget submarines. Normally armed with torpedoes, they were instead fitted with containers of food. These missions earned them the nickname “butter torpedoes.
” The submarines delivered supplies and even carried back mail. Even in the final days of the war, Dunkirk functioned as a besieged fortress. However, the story does not end there. We go back a month, to early April 1945. At that time, Commander Frisius made a surprising decision. On 5 April, he launched Operation Blücher—a large-scale sortie against the Allied lines surrounding the city.
The attack was so unexpected that British forces blew up bridges, even dozens of kilometres away, fearing a breakthrough. German troops initially gained ground and held their positions. It was a remarkable moment: while Berlin was on the verge of collapse, German forces in Dunkirk were still actively fighting and advancing. This illustrates the determination of the troops, but the outcome was inevitable.
On 8 May 1945, Nazi Germany officially surrendered. One day later, on 9 May, Dunkirk also capitulated. In the village of Wormhout, Frisius signed the surrender to General Liška after eight months of siege. The Czechoslovak forces suffered 167 dead, 461 wounded, and 40 missing. The Germans, meanwhile, had held out for months in a port that ultimately no longer had any strategic value.
The number of German casualties is unclear. After the surrender, they were taken as prisoners of war. The 1944-45 Siege of Dunkirk as well as Operation Blücher are forgotten battles of the Second World War. You must know that I often make videos about these overlooked clashes of World War II. Do check this playlist and I am sure that you will learn something new!