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The Oster Conspiracy of 1938: The Unknown Story of the Military Plot to Kill Hitler & Avert World War II

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September 1938. In power more than five years, Hitler unilaterally dismantled the Treaty of Versailles, provision by provision, daring Britain and France to stand up to him. Earlier that year, he forced Austria into his Third Reich without firing a single shot. Now his sights were set on Czechoslovakia.

It was in this dangerous climate that the first anti-Nazi coup was born. The plot was spearheaded by Lieutenant-Colonel Hans Oster, and its members included top German military leaders, the Berlin police, local troop commanders, civil authorities, religious leaders, and a group of resisters whose names have been wiped from the pages of history. Their mission was to kill Hitler and to overthrow the Nazi regime.

Using British and German sources and previously unknown documents in the Military History Institute of the U.S. Army War College, historian Terry Parssinen has documented this conspiracy. Illustrated with photographs and maps, this highly provocative work is narrative history at its best.

272 pages, Paperback

First published January 1, 2003

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Terry M. Parssinen

3 books3 followers

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Displaying 1 - 14 of 14 reviews
Profile Image for Lewis Weinstein.
Author 13 books610 followers
August 27, 2017
This is a spectacular day-by-day accounting of the formulation of a coup against Hitler that might have worked if not undermined by the terrible decision of British Prime Minister Chamberlain.

The cast of characters participating in planning the coup is fascinating, and includes some of the most prominent German leaders: Reichsbank President Hjalmar Schacht, Admiral Canaris, head of the Abwehr, and General Ludwig Beck, Army Chief of Staff. This was a really big deal although not much remembered in much of the history of the period.

On the other side was Hitler, maneuvering to maintain control of the military while encouraging the British and French to disavow their commitments to Czechoslovakia. Would he have succeeded? We'll never know, because Chamberlain threw in the towel within days of when the coup would have been attempted.

My next writing task (as part of the sequel to A FLOOD OF EVIL) is to integrate my fictional character Berthold Becker into the conspirators' group and to write a series of scenes that reflect the tensions and opportunities of the time as well as the intense personal risks to Berthold.

A Flood of Evil
Profile Image for Christopher.
526 reviews21 followers
May 6, 2008
I knew something of this conspiracy from Shirer's "Rise and Fall of the Third Reich" but had no clue how close to pulling the trigger they came.

Whether the coup would have succeeded is a counter-factual that we can never know. That said, from this book it seems that the conspirators had a better shot at not just killing Hitler but also overthrowing the whole Nazi regime in 1938 than Count Stauffenberg and other later plotters ever had.

Reading about Chamberlain's appeasement policy is always frustrating, especially with Churchill sitting in the wings acting as if he had received a message from the future laying all of WWII out before him. But if you can get your mind into the limited view that these men actually had, you can see the heart-wrenching choices they had to make.

Knowing what WWII would become, the decision is easy. Without that knowledge it is much harded to commit to marching to war or commit to supporting a coup.
Profile Image for Christie.
100 reviews23 followers
December 30, 2012
A well-researched and documented look at the Oster Conspiracy that began to formulate in 1938, prior to Hitler's declaration of war on Poland. Much is known about the July 20th failed plot to kill Hitler, but this is the story of a large group of German military men that saw the invasion of Czechoslovakia as a foreshadowing of disaster for Germany and the German people. The group of conspirators were counting on Chamberlain sticking by Czechoslovakia and not giving into another one of Hitler's demands. Chamberlain's appeasement during that time was what kept the assassination plot from launching. An interesting and thought-provoking book that begs the question of how many lives may have been saved if Hitler had been killed before WWII had a chance to begin. Interestingly, the idea for the book came from a student he had as a Professor at the University of Tampa who asked him when the last moment could have been that would have stopped Hitler from attacking Poland.
Profile Image for Joe.
63 reviews31 followers
August 25, 2019
An excellent book, well sourced, regarding how German military officers could've prevented World War II - if only Neville Chamberlain had any type of backbone at all.
5 reviews2 followers
July 28, 2023
Excellent narrative history for people interested in the diplomacy and politics leading to WW2.
1 review
June 14, 2025
The last opportunity to remove Adolf Hitler and avert another World War. A fantastic day-to-day account of the intricate relationships forged in an effort to stop Hitler in 1938!! A must read!!
Profile Image for Tom.
403 reviews
February 7, 2009
A visit to my favorite used book store in DC on Capitol Hill, Riverby Books.

Part way in; getting interesting and well-written.

Finished. It's not such a big book, but, you know, I was travelling, goofing off, reading other stuff. Finished it last night.

Whew. Truly an amazing story. A LOT of people in all branches of the Military, led by Lieutenant-Colonel Hans Oster, chief of staff to Adm. Wilhelm Canaris, head of the Abwehr (the German armed forces, army, navy, air, intelligence and counterintelligence staff).

Basically, they were all ready for a coup to take Hitler from power -- they knew he was crazy and dangerous well before 1938. What the conspirators wanted was for Britain to say they would absolutely stand behind the French who were obligated by treaty to defend Czechoslovakia if Germany invaded; which is what Hitler was fully planning to do. The Grand Appeasement in Munich instead is what happened, handing everything to Hitler without war, and dissipating everything the conspirators had fully planned.

Well told story, reads like a diary. Amazingly strong people in extemely dangerous positions. Ah, well. We do know what happened afterwards: luck for Hitler and happenstance against the conspirators who continued to plan against Hitler to the bitter end when most were finally drawn up in the late, July 1944, attempt by Claus Schenk Graf von Stauffenberg.
Profile Image for Richard.
Author 18 books17 followers
May 12, 2010
Lieutenant Colonel Hans Oster had a network of coligies who were willing to see the end of Adolph Hitler. Many argued of whether he should be killed or imprisoned. In the end all the planning and scheming would be for not, because the British were not willing to listen or help these good Germans. That's correct, the British could have prevented World War II and didn't. This was the responsibility of Halifax and Chaimberlain, who were more interested in their public persona then the fate of Europe. Lieutenant Colonel Hans Oster was lucky enough to survive the 1938 plot but not the July 20, 1944 bombing plot that was named Operation Valkyrie: The Stauffenberg Plot. Although Oster had little or nothing to do with this second plot, he was rounded up by the Gestapo and executed as the Allies were approaching Berlin.
This is not history told in a story or drama but a series of events that transpired in a time line fashion. A valuable read if you want to understand the events of Europe prior to WWII.
Profile Image for Lori.
225 reviews18 followers
May 8, 2010
This is an excellent book and a fast stread. I had a hard time putting it down. It sheds new light on this conspiracy but is especially interesting when read in conjunction with Shirer's "Rise and Fall of the Third Reich". I highly recommend this book. It's interesting to note that many of the men involved in the Oster conspiracy, were also involved in "Valkyrie".
17 reviews1 follower
July 16, 2010
Cool stories. Amazing how many were to kill Hitler. Exciting read.
Profile Image for Ian McGaffey.
589 reviews2 followers
May 4, 2015
I am a big fan of this time period. This was a engrossing read that shed light on some of the inner workings of the German high command in WWII. I would recommend it to any history reader.
767 reviews6 followers
June 19, 2015
Very detailed account of little known resistance to Hitler before the war started. There are many lessons to be learned from this book to prevent future wars.
710 reviews10 followers
April 28, 2017
This is a little known story of a man and his allies who sacrificed it all trying to stop Hitler. Not all of the Germans were going along with his program. This is a good book to read after seeing the movie Valkyrie with Tom Cruise. If you were intriqued by the movie, as I was, this gives you some great background on it.
Displaying 1 - 14 of 14 reviews

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