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  • This episode of real engineering is

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  • trial. World War one was a static,

  • grueling war. Weapon technology had

  • advanced quickly, but the technology to

  • carry these weapons lagged behind,

  • resulting in bloody face offs between

  • entrenched armies. No battle embodies this

  • ghastly form of war more than the Battle

  • of Verdun on the Meuse river, which was

  • the longest battle of world war one:

  • lasting 300 days with over 1 million

  • casualties, a stalemate where territory

  • was won with the lives of the men brave

  • enough to push forward into the storm of

  • bullets and explosive shells raining

  • from all directions. 26 years later the

  • Germans crossed this same river in a

  • single day empowered by immense

  • improvements in motorized vehicles. Most

  • notably the tank.

  • The Germans created a new form of

  • warfare where battles were fought and

  • won before the victim even understood

  • what was happening. With these machines

  • in your arsenal, trench warfare was

  • obsolete. War was no longer

  • two-dimensional. In one moment you were

  • ducking for cover anticipating an

  • explosion as the whir of swarming dive

  • bombers filled your ears, the next you're

  • facing a wall of armored vehicles. This

  • of course was the infamous blitzkrieg

  • which Germany employed to take over the

  • majority of Europe with eerie efficiency.

  • Europe would get its first taste of this

  • lightning war on September 1st, 1939 when

  • 1.5 million German troops invaded Poland.

  • The German invasion of Poland was a

  • battle of epic disproportions. The

  • Luftwaffe flew ahead armed with Younker

  • 87 Stuka dive-bombers which were fitted

  • with horrifying sirens (which were simply

  • high revving propellers fitted to the

  • landing gear of the plane). They were

  • designed to cause mass panic and fear

  • among civilians and enemy troops alike.

  • They destroyed strategic positions and

  • caused civilians to flee and interfere

  • with supply lines, softening the border

  • defenses before the German armoured

  • divisions broke through, like a spear

  • point through inadequate armor. Followed

  • by motorized German infantry who formed

  • a supply column reinforcing the

  • frontline with fuel and ammunition. Never

  • stopping to celebrate, always pushing

  • forward and keeping the pressure on. Any

  • troops that did not

  • retreat fast enough where encircled and

  • decimated this pattern was repeated. And

  • in a single week, German troops advanced

  • 225 kilometers onto Warsaw's doorstep,

  • despise Poland mobilising 1 million men

  • to fight back. One famous battle on this

  • first day of war, often mistold,

  • involved a valiant Calvary rush of the

  • Polish army on the German infantry,

  • dispersing them and delaying their

  • advancement long enough to allow the

  • Polish first rifle battalion to retreat.

  • Only then German tanks appeared and

  • fired upon them forcing the horsed units

  • to retreat. German propaganda announced

  • the stupidity of Polish commanders

  • sending cavalry armed with sabres and

  • lance's against armoured vehicles, when

  • in reality they were armed with

  • anti-tank rifles which were capable of

  • penetrating 15mm of armor

  • at 300 metres at 30 degrees. The Panzer 1

  • and 2 used in this battle were

  • vulnerable to this weapon. On September

  • 28th, four weeks after the first shot was

  • fired,

  • the Polish capital surrendered to the

  • relentless German siege, while Russia

  • took the east. This proved the

  • effectiveness of the blitzkrieg and sent

  • shockwaves through Europe. On May 10th

  • 1940, Germany launched an invasion of the

  • low countries of Holland, Belgium, and

  • Luxembourg. Luxembourg with its 400

  • infantry and 12 cavalry fell in a

  • single day. Belgium's defense, centered

  • around the Eben-Emael fort with

  • 1200 men, also fell in a single day. This

  • fortress was one of the strongest in the

  • world but was created with 2D-strategic

  • maneuvers in mind. It took about 500

  • German special forces landing with

  • gliders to disable Eben-Emael's major

  • defenses. They removed explosive charges

  • from nearby bridges, ensuring a clear

  • route for German reinforcements. Others

  • landed inside the force planting their

  • own explosive charges and throwing

  • grenades into bunkers and destroying

  • artillery. Where they couldn't overcome

  • defenders, they called for airstrikes

  • from Stuka dive bombers. Holland,

  • despite having advanced warning of the

  • imminent invasion, were caught off guard

  • by merciless bombing of their cities by

  • the Luftwaffe, followed by the deployment

  • of the 7th and 22nd Airborne Division's.

  • Germany now had a direct northern route

  • into Franc. The Allies were prepared for

  • this threat and focused their best troops

  • on the northern border.

  • Leaving the heavily fortified border

  • between Germany and France relatively

  • low-manned. The invasion of the low

  • countries was not intended as an

  • invasion route. It was a diversion and on

  • May 12th the spearhead of the German

  • blitzkrieg broke through what was once

  • called the impenetrable defense of the

  • rough mountainous and heavily wooded

  • area of the Ardennes. Quickly enveloping

  • and trapping the 400,000 Allied troops

  • stationed to defend the assumed invasion

  • from the north. Culminating in the Battle

  • of Dunkirk, where thousands of civilian

  • ships sailed from Britain to save

  • stranded soldiers. A month later, on June

  • 22nd the French surrendered to Germany. The

  • French were simply not prepared for the

  • speed and ferocity of this type of

  • warfare, despite having tanks more than

  • capable of taking on the German Panzers

  • in one-on-one battle. For example the

  • French S-35 was arguably the best tank

  • at the outbreak of the war. It had good

  • balance between Armour mobility and

  • firepower. It was more than capable of

  • taking on the Panzer ones and twos that

  • formed the brunt of the armoured

  • divisions, and it's forward-facing armor

  • could even withstand direct hits from

  • the German heavy tank the Panzer 4. Where

  • the s-35 failed was its lack of numbers:

  • with only 440 built. Had the French been

  • prepared, and built enough tanks, they

  • could have defeated the German invasion.

  • The Germans were more than aware of this

  • outclassing of their tanks, and led them

  • into pushing further to create larger

  • tanks with thicker and thicker armor,

  • and larger and larger guns. They pushed

  • the boundaries and experimented with

  • gigantic tanks, like the Panzer VIII, which

  • still, to this day, is the heaviest fully

  • enclosed armored fighting vehicle ever

  • built. Real Life Lores just uploaded a

  • video about the crazy designs of tanks

  • the Germans came up with. Here he is to

  • tell you a little more about them. [Real Life Lores:] The

  • Panzer VIII Maus weighed 188 tons: over

  • three times heavier than a TIger I tank.

  • It's 128 millimeter main gun was enough

  • to destroy all allied armored vehicles

  • then in service at ranges exceeding

  • 3,500 metres. Only