After capturing the position held by de Gaulle, the German attacking troops did not rush forward and continued their attack, but after gaining a foothold, they advanced about five kilometers and then began to move at high speed towards the flanks and rear of the other positions on the Somme.

Unfortunately, at this time, the sun had risen, and the German movement was discovered by the French front-line reconnaissance plane that had risen early to conduct routine reconnaissance, although the reconnaissance plane was quickly shot down by the German fighter planes that arrived later, but it was equipped with a radio and successfully transmitted the latest movements of the German army back to the French command.

At this time, the French command was in chaos, and several senior generals were trying to contact de Gaulle, and they really couldn't understand why the general, who was the most reassuring to the top and had high hopes for them, abandoned his position and retreated. However, when they received the news that the Germans were moving behind other positions on the Somme, they immediately gave up continuing to contact de Gaulle, and instead mobilized the reserves gathered behind the De Gaulle position to follow the Germans to the flanks, in an attempt to reach the position before the Germans to intercept the German movements.

But the German units responsible for moving to the two flanks were all mechanized or motorized troops, and their speed of movement was far from being comparable to that of the French reserves running on two legs, and in the end the Germans stopped in front of the French reserves and caught them by surprise.

The French reserve troops, which were not strong in combat, were stunned in the face of the German ambush, and the French array, with a total of six infantry divisions in two directions, was scattered by the German tanks and was divided into pieces. Moreover, the number of French troops in this array was uneven, and one more might have one or two divisions, and the smaller one might have only one regiment or one battalion.

The German army, which had complete air supremacy, easily obtained from the air force brothers a map of the French forces, and under the instructions of this map, the German front commander calmly operated a battalion or even a regiment.

Under his command, several German troops surrounded several areas with few French troops at the fastest speed, and threw tanks into several areas with tens of thousands of people to oppress and attack, forcing them to retreat.

In just four hours, at least 10,000 small groups of French troops were divided and surrounded and eaten by the Germans, while the remaining well-formed troops were defeated by the German armored forces and had no intention of fighting again.

This series of combat operations was enough to break the psychological defense line of the French army, but Rommel and Witzleben did not seem to think that it was enough, and they ordered the follow-up troops to attack forward when the German cross-cutting troops were inextricably separated from the French support forces, and went straight to Paris regardless of the situation.

Seeing this, Rommel immediately threw all the reserves in his hands into that point, and quickly expanded the "point" into a hole, and then a large number of troops passed through this "hole", and then turned around to attack the rear of the French position.

In the face of such a sharp set of combination punches of the German army, Rao is French army's determination to defend the country is difficult to hold onto, many French front-line commanders to the French supreme commander Maxim Weygand submitted a request to retreat to build a new defensive line, but Wei Gang, as a 73-year-old veteran and after World War I, became the chief of the general staff of the French Supreme Command, he still firmly believed that positional warfare could block the German attack, so he rejected all requests from French front-line commanders to retreat.

There was no way, and the French troops in various positions had to continue to hold on to their guns, but the Germans soon proved that this kind of stubborn defense was meaningless.

After crushing the French support forces, the cross-cutting troops continued to advance forward, then turned around and launched a fierce attack on the rear of the French positions, while the frontal troops immediately cooperated and launched a frontal attack on the French positions.

In the face of the German front and rear flanks, the French army who held the position was quickly defeated, they did not listen to the command and fled from both sides of the position in a panic, and then retreated to the rear, but their rear was already full of German troops at this time, and more than 50,000 French soldiers chose to surrender in the case of blocking in front and chasing after the pursuers.

The Weigand Line, which seemed impregnable before the war, quickly had a chain reaction when it was breached, and the 300-mile-long line of defense was broken in less than five days, and countless pro-German foreign media ridiculed the "Weigand Line" as a "hive line" because it was full of holes.

A look at the history of previous wars shows that every undisciplined rout was accompanied by killings, and the same was true of the massive retreat of the troops after the breach of the Weygand Line. For the French army that refused to surrender, the German army has always been unmerciful, with the acquiescence of their respective commanders, many soldiers raised their guns to the French soldiers who were in the process of fleeing but had abandoned their weapons, according to post-war statistics, after the collapse of the Weygand Line to the first successful reorganization of the French army to effectively defend the period, at least 40,000 soldiers were shot from behind and died, which accounted for one-ninth of the total casualties in the entire French campaign!

Across the Somme, the German heavy armoured group drove westward to the retreating French until less than 40 kilometers from Paris were blocked, when the Germans were blocked by a city known as Romiy.

The city was not large, and the French did not build a concrete fortress on it in advance, let alone fortify it, but the German Panzer Division, which had always been invincible, had little to do with it.

And the one who commanded the troops to resist here was the "culprit" who had previously abandoned the position and retreated, causing the collapse of the entire Weigang defense line - General Charles de Gaulle. The troops he led were still the same 15th Army and a small number of tanks that had lost all their heavy weapons.

Yes, the 15th Army, which did not have many anti-tank weapons, held off the offensive of the German panzer divisions and helped the nearby French troops buy time to reorganize their defenses.

The German panzer commander was puzzled that his tanks could not defeat the city in any case, but Charles de Gaulle knew exactly why.

The reason why the tank weapon can form a natural suppression of the infantry, in the final analysis, is mainly because the tank has strong mobility, and when fighting in the field, it is easy to put itself in the position where the infantry can not attack themselves but can attack the infantry, and in the city where the terrain is complex, the advantage of strong mobility is gone, in the face of the infantry hiding in all corners, spare your main armor as thick as a tiger tank, You still can't resist the sudden rain of infantry from the sky and then stab through your fragile top armor with anti-tank grenades or simple and crude explosives.