Question: Erich Johann Albert Raeder, was a naval leader in Germany before and during World War II, Raeder is also well known for dismissing Reinhard Tristan Eugen Heydrich, from the Reichsmarine in April of what year, for "conduct unbecoming to an officer and a gentleman", Heydrich  was a high-ranking German Nazi official during World War II, and a main architect of the Holocaust?

Context paragraphs:
Karel Čurda: Karel Čurda (10 October 1911 – 29 April 1947) was an active Czech Nazi collaborator during World War II.  A soldier of the Czechoslovak army in exile, he was parachuted into the protectorate in 1942 as a member of the sabotage group "Out Distance".  He may be most infamous for his betrayal of the Anglo-Czech and Slovak army agents responsible for the assassination of top Nazi official Reinhard Heydrich in Prague.  His rewards were 1,000,000 Reichsmarks and a new identity, "Karl Jerhot".  He married a German woman and spent the rest of the war as a Gestapo collaborator.

Erich Raeder during World War II: Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a naval leader in Germany who played a major role in the Naval history of World War II.  Raeder attained the highest possible naval rank—that of "Großadmiral" (Grand Admiral) — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz.  Raeder led the "Kriegsmarine" (German War Navy) for the first half of the war; he resigned in 1943 and was replaced by Karl Dönitz.  He was sentenced to life in prison at the Nuremberg Trials, but was released early due to failing health.  Raeder is also well known for dismissing Reinhard Heydrich from the Reichsmarine in April 1931 for "conduct unbecoming to an officer and a gentleman".

Adolf Eichmann: Otto Adolf Eichmann (] ; 19 March 1906 – 1 June 1962) was a German Nazi SS-"Obersturmbannführer" (lieutenant colonel) and one of the major organizers of the Holocaust.  Eichmann was tasked by SS-"Obergruppenführer" (general/lieutenant general) Reinhard Heydrich with facilitating and managing the logistics involved in the mass deportation of Jews to ghettos and extermination camps in German-occupied Eastern Europe during World War II.  In 1960, Eichmann was captured in Argentina by the Mossad, Israel's intelligence service.  Following a widely publicised trial in Israel, he was found guilty of war crimes and hanged in 1962.

Erich Raeder resignation and later: Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a naval leader in Germany before and during World War II.  Raeder attained the highest possible naval rank—that of "Großadmiral" (Grand Admiral) — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz.  Raeder led the "Kriegsmarine" (German War Navy) for the first half of the war; he resigned in 1943 and was replaced by Karl Dönitz.  He was sentenced to life in prison at the Nuremberg Trials, but was released early due to failing health.

Interwar naval service of Erich Raeder: Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a naval leader in Germany before and during World War II.  Raeder attained the highest possible naval rank—that of "Großadmiral" (Grand Admiral) — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz.  Raeder led the "Kriegsmarine" (German War Navy) for the first half of the war; he resigned in 1943 and was replaced by Karl Dönitz.  He was sentenced to life in prison at the Nuremberg Trials, but was released early due to failing health.  Raeder is also well known for dismissing Reinhard Heydrich from the Reichsmarine in April 1931 for "conduct unbecoming to an officer and a gentleman".

Erich Raeder pre Grand Admiral: Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a naval leader in Germany before and during World War II.  Raeder attained the highest possible naval rank—that of "Großadmiral" (Grand Admiral) — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz.  Raeder led the "Kriegsmarine" (German War Navy) for the first half of the war; he resigned in 1943 and was replaced by Karl Dönitz.  He was sentenced to life in prison at the Nuremberg Trials, but was released early due to failing health.  Raeder is also well known for dismissing Reinhard Heydrich from the Reichsmarine in April 1931 for "conduct unbecoming to an officer and a gentleman".

Operation Anthropoid: Operation Anthropoid was the code name for the assassination of Schutzstaffel (SS)-"Obergruppenführer" and "General der Polizei" Reinhard Heydrich, head of the "Reichssicherheitshauptamt" (Reich Main Security Office, RSHA), the combined security services of Nazi Germany, and acting "Reichsprotektor" of the Protectorate of Bohemia and Moravia.  The operation was carried out in Prague on 27 May 1942 after having been prepared by the British Special Operations Executive with the approval of the Czechoslovak government-in-exile.  Wounded in the attack, Heydrich died of his injuries on 4 June 1942.  His death led to a wave of merciless reprisals by German SS troops, including the destruction of villages and the killing of civilians.  Anthropoid was the only successful assassination of a senior Nazi leader during World War II.

Gottlob Berger: Gottlob Christian Berger (16 July 1896 – 5 January 1975) was a senior German Nazi official who held the rank of "SS-Obergruppenführer und General der Waffen-SS" (lieutenant general), and was the chief of the SS Main Office responsible for "Schutzstaffel" (SS) recruiting during World War II.  Serving in the German Army during World War I, he was wounded four times and awarded the Iron Cross First Class.  Immediately after the war, he was a leader of the "Einwohnerwehr" militia in his native North Württemberg.  He joined the Nazi Party in 1922, but lost interest in right-wing politics during the 1920s, training and working as a physical education teacher.

Reinhard Heydrich: Reinhard Tristan Eugen Heydrich (] ) (7 March 1904 – 4 June 1942) was a high-ranking German Nazi official during World War II, and a main architect of the Holocaust.  He was an SS-"Obergruppenführer und General der Polizei" (Senior Group Leader and General of Police) as well as chief of the Reich Main Security Office (including the Gestapo, Kripo, and SD).  He was also "Stellvertretender Reichsprotektor" (Deputy/Acting Reich-Protector) of Bohemia and Moravia.  Heydrich served as president of the International Criminal Police Commission (ICPC; later known as Interpol) and chaired the January 1942 Wannsee Conference, which formalised plans for the Final Solution to the Jewish Question—the deportation and genocide of all Jews in German-occupied Europe.

Erich Raeder: Erich Raeder (24 April 1876 – 6 November 1960) was a naval leader in Germany who played a major role in the naval history of World War II.  Raeder attained the highest possible naval rank—that of Grand Admiral — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz.  Raeder led the "Kriegsmarine" for the first half of the war; he resigned in 1943 and was replaced by Karl Dönitz.  He was sentenced to life in prison at the Nuremberg Trials, but was released early due to failing health.

Supporting paragraphs: Erich Raeder pre Grand Admiral Reinhard Heydrich
Answer: 1931