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One unauthorized phone call at 11 PM on July 30th, 1914 started World War One. The man who made it had no permission to do it — and 20 million people paid the price.
Most people know about the assassination of Archduke Franz Ferdinand. Almost nobody knows about the phone call 32 days later that actually detonated the war. In this documentary, we reveal the exact moment German Chief of Staff Helmuth von Moltke called Vienna without authorization, committed Germany to total war, and locked every empire in Europe into a collision no one could stop. We trace the domino chain — from a driver's wrong turn in Sarajevo, to the Kaiser's blank check, to Moltke's call, to the moment the German army became a machine nobody could switch off. This is the story of how World War 1 started, the real history behind the July Crisis of 1914, and the butterfly effect that shaped the entire 20th century.

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Transcript
00:1120 million people are about to die and the man who seals their fate is standing in a candlelit
00:17office in Berlin holding a telephone receiver about to say words he was never authorized to
00:23say it is July 30th 1914 11 p.m the call lasts under three minutes but by the time General
00:34Helmut von
00:35Molke hangs up every empire in Europe is locked into a collision that no human can stop this is
00:42the call that started World War One and almost nobody knows it happened to understand why that
00:49call was so catastrophic you need to see Europe in the summer of 1914 the way people living inside it
00:56did not as a tragedy waiting to happen but as the pinnacle of human civilization Paris is electric
01:04with cafes London's newspapers debate domestic issues not war in Vienna Sigmund Freud is finishing a
01:14manuscript in Germany a young Adolf Hitler is painting watercolors trying to sell them on the
01:20street for a few coins Europe is more interconnected than ever the great powers Germany Austria Hungary
01:29Russia France Britain are stitched together by trade treaties and telegraph games Kaiser Wilhelm II of
01:37Germany and Tsar Nicholas II of Russia our first cousins who call each other Willie and Nicky in private
01:45letters nobody genuinely believes a continental war is coming they are about to be proved wrong in the
01:54next 11 minutes you will understand how one unauthorized phone call made by one nervous man who had no right
02:01to make it detonated the most destructive war in human history and you will see how different
02:08the world might look if he had simply not picked up the phone
02:16Sarajevo
02:19June 28 1914 10 45 a.m. Archduke Franz Ferdinand heir to the Austro-Hungarian empire is riding in an
02:29open top
02:29car through narrow streets beside him sits his wife Sophie six young assassins are stationed along his
02:36route the first loses his nerve the second Nidelko Chabrinovich hurls a hand grenade it bounces off the
02:47car's folded roof lands under the vehicle behind them and explodes wounding 12 officers the Archduke's
02:55car speeds away Chabrinovich swallows a failing cyanide capsule jumps into a four inch deep river
03:02and is promptly arrested shaken but unharmed Franz Ferdinand continues to a town hall reception
03:11where he expresses his fury I come to Sarajevo on a friendly visit and someone throws a bomb at me
03:18this is outrageous afterward the Archduke insists on visiting the wounded officers in the hospital
03:25a new route is planned but nobody informs his Czech driver Franz Urban
03:31Urban follows the original route turning onto Franz Joseph Street
03:35General Pocherich screams you're going the wrong way stop back up
03:40Urban hits the brakes the engine stalls for one agonizing moment the car stops dead in front of Schiller's
03:49deli standing five feet away on the pavement buying a sandwich after giving up on the plan is 19 year
03:56old Gavrilo Princip he looks up he sees the Archduke Princip steps forward and fires twice the first bullet
04:06strikes Sophie the second severs Franz Ferdinand's jugular vein both are dead within the hour
04:13here is the reality the entire assassination plot had failed every assassin had panicked missed or been
04:21captured then a driver made a wrong turn and an engine stalled for 30 seconds in front of the one
04:28person who could finish the job history doesn't just pivot on grand forces sometimes it turns on a stalled
04:36engine and a man buying a sandwich but this was only the first domino the phone call that started
04:44the war came 32 days later in Vienna the imperial court is furious Franz Ferdinand's murder demands a
04:54response more importantly Austria-Hungary has been looking for an excuse to wage a preemptive war against
05:01Serbia chief of staff Konrad von Hutzendorf had submitted 25 separate official memoranda recommending
05:08military action between 1906 and 1914 but Austria-Hungary cannot fight Serbia without risking Russian
05:17intervention and it cannot fight Russia without German backing on July 5th 1914 an Austrian diplomat arrives at
05:27Potsdam with a letter from Emperor Franz Joseph asking will Germany support Austria Kaiser Wilhelm II
05:36read the letter over Sunday lunch he says yes unconditionally he does not consult his generals his chancellor or any
05:45council this is the blank check Germany pre-approves whatever Austria decides to do the Kaiser then boards his
05:54private yacht for a three-week vacation believing nothing serious will happen the blank check was not just a
06:01diplomatic guarantee it was Germany handing Austria-Hungary a loaded weapon Austria knew that attacking Serbia
06:10would cause Russia to mobilize and German military planners had only one strategy for Russian mobilization the
06:17Schlieffen plan which required invading France through Belgium first before turning east
06:23the blank check practically guaranteed a world war
06:28yet none of the civilian leaders who authorized it understood its mechanics
06:34Bellini July 30th 1914 11 pm the world is balanced on a knife edge
06:43Austria-Hungary has declared war on Serbia and shelled Belgrade
06:49Russia has ordered mobilization along the Austrian border
06:52Germany has threatened Russia with mobilization if they do not halt
06:56Kaiser Wilhelm and Tsar Nicholas are exchanging desperate telegrams
07:00begging for a solution neither has the power to deliver
07:04every telegraph wire in Europe is humming in a gas-lit office in the German war ministry
07:11chief of staff Helmut von Molke the younger sits alone
07:16he is 66 exhausted and haunted by the legacy of his uncle the legendary field marshal
07:23Molke who won the Franco-Prussian war
07:27Molke is terrified his government is about to blink
07:30he fears they will restrain Austria give Russia an exit and let the moment slip away
07:37the moment his Schlieffen plan is designed to exploit
07:41so he picks up the telephone he calls Vienna and asks for Conrad von Hudson
07:46the line crackles
07:49Molke speaks
07:50he tells Conrad
07:52do not scale back mobilization
07:54do not limit the response to Serbia
07:57do not yield to diplomacy
07:59mobilize fully against Russia
08:01he utters 11 words that seal the fate of millions
08:06Germany will stand behind Austria-Hungary in every eventuality
08:11Conrad replies
08:13this changes everything
08:15he puts down the phone and cancels his limited mobilization orders
08:18replacing them with a directive for full mobilization against Russia
08:23Molke had absolutely no authority to make this call
08:27at that very hour German Chancellor Bethmann Hallweg was working frantically
08:32through diplomatic channels to restrain Austria and preserve peace
08:36he had no idea his chief of staff was bypassing him to guarantee war
08:41when the chancellor found out he called it a piece of extraordinary stupidity
08:47but it was too late the orders were sent
08:52because Conrad mobilizes against Russia
08:56Russia accelerates its full military mobilization of four million men
09:01because Russia mobilizes
09:04Germany declares war on Russia on August 1st
09:06because Germany must execute the Schlieffen plan
09:10it declares war on France on August 3rd
09:14because the plan requires marching through Belgium
09:17Germany invades Belgian territory
09:20because Britain had guaranteed Belgian neutrality in an 1839 treaty
09:26Britain declares war on Germany on August 4th
09:30in 35 days every major European power is at war
09:35consider the events of August 1st
09:38hours before Germany's declaration of war on Russia
09:42Kaiser Wilhelm receives an urgent telegram
09:45suggesting Britain might remain neutral if Germany attacks only Russia
09:49and spares France and Belgium
09:52the Kaiser summons Molke
09:55we must redirect the entire army to the east
09:58the Kaiser says
10:00we will fight only Russia
10:02Molke is horrified
10:05it cannot be done
10:07the trains are already running
10:09half a million soldiers are moving
10:11on a schedule synchronized down to the minute
10:14the Schlieffen plan has only one track
10:17west first
10:18then east
10:20to reverse it in hours is logistically impossible
10:23your majesty
10:25Molke says
10:26it cannot be done
10:28the Kaiser orders him to do it anyway
10:31for 45 minutes they argue
10:34for the first time in his career
10:36Molke refuses a direct imperial command
10:39tears running down his face
10:42then a second telegram arrives from London
10:46the ambassador had misunderstood
10:48Britain was not offering neutrality
10:51the premise was a mistake
10:54the invasion of Belgium proceeds
10:57Britain enters the war
10:59Molke later wrote in his diary
11:02something in me shattered that I never recovered
11:05I was broken in that room
11:08he was quietly replaced two months later
11:11the Schlieffen plan was drawn up in 1905
11:15by 1914 it was nine years old
11:18the generals executing it
11:20had no power to change it
11:22the politicians had no understanding of its mechanics
11:26once mobilization began
11:27the plan ran automatically
11:30like rigid software pulling 20 million people into a conflict
11:33nobody knew how to stop
11:36the system was built without an off switch
11:39if Molke had not made that call on July 30th
11:43Austria-Hungary lacking a firm German guarantee
11:46likely scales back to a regional conflict against Serbia
11:51Russia does not fully mobilize
11:53Germany does not invoke the Schlieffen plan
11:56France is not attacked
11:57Belgium is not invaded
11:58and Britain stays out
12:01there is no World War I
12:03no 20 million dead
12:05no humiliated Germany to foster the rise of Adolf Hitler
12:10no World War II
12:11no Holocaust
12:12no Cold War
12:13and no nuclear standoff
12:14the modern world would be unrecognizable
12:18all because one general chose not to pick up the phone
12:23we want history's catastrophes
12:26to have grand calculated causes
12:30we want them to be the products of deliberate evil
12:33or mastermind plots
12:35but the war that killed 20 million people
12:38and laid the groundwork for 70 million more
12:41was triggered by a tired general
12:43making an unauthorized phone call
12:45because he was afraid of appearing weak
12:48it was accelerated by a driver who got lost
12:51a Kaiser who gave a blank check before going on vacation
12:55and a rigid military timetable that took on a life of its own
12:59humans build systems that can easily become smarter and more rigid than their creators
13:05when the machinery goes wrong
13:07finding someone with the authority courage or time to pull the plug is incredibly rare
13:13most institutions have their own sleeping plans
13:17deeply embedded ways of operating
13:19that nobody questions until they are racing toward a cliff
13:23the question Mocha failed to ask himself is one we often avoid when making decisions under pressure
13:30am i doing this because it is right
13:32or because i'm afraid of what happens if i don't
13:37he chose to act out of fear of appearing weak
13:40and 20 million people paid the price
13:43think about that
13:45the next time you're about to make a call
13:47you know you shouldn't make
13:50if this hit different you know what to do
13:59you
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