• Fahnenjunker: 14 July 1902
• Fähnrich: 29 January 1903
• Leutnant: 9 March 1904
• Oberleutnant: 7 March 1912
• Hauptmann: 9 August 1915 (RDA later changed to 8 November 1914)
• Major: 17 March 1924 (RDA 1 April 1923)
• Oberstleutnant: 1 February 1929
• Oberst: 1 December 1931
• Generalmajor: 1 October 1934
• Generalleutnant: 1 August 1936
• General der Artillerie: 1 February 1938
• Generaloberst: 19 July 1940

• 30 June 1902: Passed Abitur or school leaving exam and university entrance acceptance from the Theresien Gymnasium (High School) in München.
• 14 July 1902: Entered the Royal Bavarian Army as a Fahnenjunker in the Bavarian 3. Feldartillerie-Regiment Prinz Leopold.
• 1 March 1903-February 1904: Detached to the München War School.
• 1 October 1906-31 July 1907: Detached to the Bavarian Artillery and Engineer School.
• 1 October 1911-31 July 1914: Detached to the Bavarian War Academy in München.
• 2 August 1914: Ordnance Officer on the staff of the General Command of the Bavarian III Army Corps.
• 6 January 1915: Chief Supply Officer (Ib) in the General Staff of the Bavarian 6th Infantry Division.
• 28 December 1916; Operations Officer (Ia) in the General Staff of the Bavarian 5th Infantry Division.
• 26 March 1917: Transferred to the General Staff of the 2nd Army.
• 14 June 1917: Transferred to the General Staff of the 4th Army.
• 12 July 1917: Senior Planning General Staff Officer of the Commander-in-Chief East/Pniowno District Command.
• 30 October 1917: Static Position General Staff Officer for the Mörchingen District of the Bavarian XV Reserve Corps.
• 5 November 1917: Leader of Rear Staging Area Command 16, Trient.
• 1 December 1917: Senior Planning General Staff Officer of the Army High Command 2.
• 24 December 1917: Transferred to the General Staff of Army Group “Crown Prince Rupprecht.”
• 20 December 1918: Adjutant of the Central Office of the Bavarian General Staff.
• 1 October 1919: Consultant in the Training Department of the Reich Defense Ministry.
• 1 March 1920: Aide Officer in the Training Department of the Reich Defense Ministry.
• 30 July 1920: Transferred to the staff of the 7th Division, München.
• 17 August 1920: Assigned to the Commandant of München.
• 18 January 1921: General Staff Officer on the staff of the Commandant of München.
• 1 October 1921: General Staff Officer and Tactics Instructor of the Leader Assistant Courses on the staff of the 7th Division, München.
• 1 October 1923: Commander of the 4th Battery of Artillery Regiment 7, Landsberg am Lech.
• 15 June 1925-17 July 1925: Detached to the Training and Firing Course at the Senne Troop Training Area.
• 1 December 1925: Operations Officer (Ia) on the staff of the 7th Division, München.
• 1 April 1926: Consultant in the Army Training Department (T 4) of the Troop Office/Reich Defense Ministry.
• 3 July 1928-5 August 1928: Detached to the 7th (Bavarian) Motorized Battalion.
• 1 October 1931: Chief of Staff of the 6th Division, Münster.
• 1 October 1934: Artillery Leader 7, München.
• 15 October 1935: Commander of the 7th Division, München.
• 12 November 1936: Transferred into the Army General Staff.
• 12 October 1937: Senior Quartermaster II (Deputy Chief of Staff for Training) in the Army General Staff.
• 10 February 1938: Senior Quartermaster I (Deputy Chief of Staff for Operations) in the Army General Staff with effect from 1 March 1938.
• 1 September 1938-24 September 1942: Chief of the Army General Staff.
• 24 September 1942: Dismissed from his post by Adolf Hitler and placed in the Army High Command Leader Reserve. [Halder was succeeded by Generaloberst Kurt Zeitzler as Chief of the Army General Staff.]
• 23 July 1944: Arrested by the Gestapo for complicity in the 20 July 1944 plot to assassinate Hitler.
• 31 January 1945: Dismissed from the Army.
• 7 February 1945: Imprisoned at Flossenberg Concentration Camp.
• 7 April 1945: Transferred to Dachau Concentration Camp.
• 30 April 1945: Liberated by U.S. troops.
• 5 May 1945-30 June 1947: Prisoner of war in British and, later, U.S. captivity.
• 1947-1961: Head of the Historical Liaison Group of the U.S. Army Historical Division in Königstein and Karlsruhe.

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