Infantry Regiment 9 of Potsdam

Potsdam

Potsdam is the capital city of the German federal state of Brandenburg and part of the Berlin/Brandenburg Metropolitan Region. It is situated on the River Havel, southwest of Berlin city centre....

 (I.R. 9) was an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 in Weimar Republic

Weimar Republic

The Weimar Republic is the name given by historians to the parliamentary republic established in 1919 in Germany to replace the imperial form of government...

's Reichswehr

Reichswehr

The Reichswehr formed the military organisation of Germany from 1919 until 1935, when it was renamed the Wehrmacht ....

 and Nazi Germany

Nazi Germany

Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

's Wehrmacht

Wehrmacht

The Wehrmacht – from , to defend and , the might/power) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the Heer , the Kriegsmarine and the Luftwaffe .-Origin and use of the term:...

, descended from famed 1st Prussian Regiment of Foot Guards in German Empire

German Empire

The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...

's Deutsches Reichsheer.
Garrisoned at the cradle of Prussian army

Prussian Army

The Royal Prussian Army was the army of the Kingdom of Prussia. It was vital to the development of Brandenburg-Prussia as a European power.The Prussian Army had its roots in the meager mercenary forces of Brandenburg during the Thirty Years' War...

 and rich with tradition, it was nicknamed 'Count Nine' (Graf Neun) or 'I.R. von 9' by its detractors because of high percentage of Prussian aristocrats and purported arrogance in its ranks.

Today it is most remembered for the fact that 19 of its officers (or former officers) were involved in conspiracy against Hitler, by far more than any other German regiment. Most of them were executed or committed suicide after the failure of July 20 plot

July 20 Plot

On 20 July 1944, an attempt was made to assassinate Adolf Hitler, Führer of the Third Reich, inside his Wolf's Lair field headquarters near Rastenburg, East Prussia. The plot was the culmination of the efforts of several groups in the German Resistance to overthrow the Nazi-led German government...

 to assassinate Hitler. Major General Henning von Tresckow

Henning von Tresckow

Generalmajor Herrmann Karl Robert "Henning" von Tresckow was a Major General in the German Wehrmacht who organized German resistance against Adolf Hitler. He attempted to assassinate Hitler in March 1943 and drafted the Valkyrie plan for a coup against the German government...

 and Lieutenant Colonel Fritz-Dietlof von der Schulenburg

Fritz-Dietlof von der Schulenburg

Fritz-Dietlof Graf von der Schulenburg-Tressow was a German government official and a member of the German Resistance in the July 20 Plot against Adolf Hitler.-Personal development:...

 in particular were central figures in German resistance

German Resistance

The German resistance was the opposition by individuals and groups in Germany to Adolf Hitler or the National Socialist regime between 1933 and 1945. Some of these engaged in active plans to remove Adolf Hitler from power and overthrow his regime...

.

Officers who conspired against Hitler

Lieutenant Colonel Hasso von Boehmer

Hasso von Boehmer

Hasso von Boehmer was a German Lieutenant Colonel on the General Staff and one of the July 20 Plotters.Hasso von Boehmer belonged to Infantry Regiment 9 from Potsdam, from which also came many of the other plotters. They served, among others, Major General Henning von Tresckow and Fritz-Dietlof...

 

Major Axel Freiherr von dem Bussche-Streithorst

Axel Freiherr von dem Bussche-Streithorst

Axel Freiherr von dem Bussche-Streithorst , usually referred to as Axel von dem Bussche in English, was a German nobleman, professional Army officer and member of the German Resistance...

 

Captain Dr. Hans Fritzsche

Lieutenant Colonel Helmuth von Gottberg

Lieutenant Colonel Ludwig Freiherr von Hammerstein

Lieutenant Colonel d. R. Carl-Hans Graf von Hardenberg

Carl-Hans Graf von Hardenberg

Carl-Hans Graf von Hardenberg was a German politician and landowner.Carl-Hans Graf von Hardenberg was born in Glogau Silesia, Germany . He was part of the nobility of Lower Saxony and entered the German army. In 1914 he married Renate von der Schulenburg. He was wounded several times during...

 

Lieutenant General Paul von Hase

Paul von Hase

Karl Paul Immanuel von Hase was a German career soldier and figured among the members of the resistance against Adolf Hitler's Nazi régime.-Biography:Hase was born in Hanover...

 

Lieutenant Ewald Heinrich von Kleist 

Colonel Hans Otfried von Linstow

Hans Otfried von Linstow

Hans Otfried von Linstow, was a German Colonel. He took part in the July 20 Plot to assassinate Adolf Hitler.-Early life:Born in Berlin, von Linstow joined the German military, Reichswehr, after the First World War....

 

Captain Friedrich Karl Klausing 

Major d. R. Ferdinand Freiherr von Lünick

Major d. R. Herbert Meyer

Lieutenant Georg-Sigismund von Oppen

Colonel Alexis Freiherr von Roenne

Lieutenant Colonel d. R. Fritz-Dietlof von der Schulenburg

Fritz-Dietlof von der Schulenburg

Fritz-Dietlof Graf von der Schulenburg-Tressow was a German government official and a member of the German Resistance in the July 20 Plot against Adolf Hitler.-Personal development:...

Lieutenant Colonel Gerd von Tresckow

Major General Henning von Tresckow

Henning von Tresckow

Generalmajor Herrmann Karl Robert "Henning" von Tresckow was a Major General in the German Wehrmacht who organized German resistance against Adolf Hitler. He attempted to assassinate Hitler in March 1943 and drafted the Valkyrie plan for a coup against the German government...

 

Lieutenant Colonel i. G. Hans-Alexander von Voß

Captain d. R. Achim Freiherr von Willisen