This historical work examines the liberation of Brittany during World War II, focusing on the period from 1939 to 1945. The book explores the complex military and political developments that led to the freeing of this French region from German occupation. Drawing on historical analysis, it covers the key events, figures, and strategies involved in the Breton liberation. The work provides insight into the broader context of World War II in France and the specific challenges faced by the Brittany region during this pivotal period in twentieth-century European history.