Organisations

These lists describe the territorial and field commands of the Union and Confederate armies, from January 1861 to December 1865. 

Territorial organisations are listed for all identified Military Divisions, Departments, Districts, Sub-Districts, and equivalents.

Field organisations are listed for identifiable Armies, Army Corps, and their equivalents.

The establishment, transfer, and discontinuation dates for each organisation is accompanied by the dates of commanders.

These Chronologies make it possible to trace the evolution of commands during the immediate pre-war, wartime, and immediate post-war periods. A particular organisation may often be listed several times as its name, or its superior or subordinate organisations, changed.

All organisations are grouped into theatres of war for convenience and provided with an overview of their evolution.

These Lists make it possible to trace the evolution of a single organisation, presented as a single entity, allowing changes of names, high command structures, and commanders to be tracked over time.

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Chronology and Evolution of Union High Commands

  1. Introduction to Union Military Organisations
  2. Union Pre-War Organisation: January 1861-April 1861
  3. Union Wartime Organisation, April 1861-June 1865: Northeastern and New England Theatre
  4. Union Wartime Organisation, April 1861-June 1865: Western Territories and Pacific Coast Theatre
  5. Union Wartime Organisation, April 1861-June 1865: Trans-Mississippi, Northwest and Frontier Theatre
  6. Union Wartime Organisation, April 1861-June 1865: Gulf Coast Theatre
  7. Union Wartime Organisation, April 1861-June 1865: Atlantic Coast Theatre
  8. Union Wartime Organisation, April 1861-June 1865: Eastern and Capital Theatre
  9. Union Wartime Organisation, April 1861-June 1865: Western Theatre
  10. Union Post War Organisations, June 1865-December 1865
  11. Union Staff Bureaux, 1861-1865

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Chronology and Evolution of Confederate High Commands

  1. Introduction to Confederate Military Organisations 
  2. Confederate Wartime Organisation, April 1861-June 1865: Trans-Mississippi Theatre 
  3. Confederate Wartime Organisation, April 1861-June 1865: Atlantic Coast Theatre 
  4. Confederate Wartime Organisation, April 1861-June 1865: Eastern Theatre 
  5. Confederate Wartime Organisation, April 1861-June 1865: Western and Gulf Theatre 
  6. Confederate Staff Bureaux, 1861-1865 

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List of Union High Commands (Dates and Commanders)

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List of Confederate High Commands (Dates and Commanders)

 

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