Defensive Organization of Corsica Defensive Organization of Corsica The Defensive Organization of Corsica ("Organization Défensive de la Corse") was the French military organization that in 1940 was responsible for the defense of the French island of Corsica against a potential invasion by Fascist Italy. As part of the overall effort to fortify France's borders which included the Maginot Line, the fixed Corsican defenses were constructed in parallel with the Maginot Line, using the same organizational structure and similar designs, albeit scaled back in size, cost and fighting power. The Corsican defenses were designed to deter an Italian landing on the south end of Corsica,
Corsica soon became part of the Kingdom of the Lombards. This made it a dependency of the March of Tuscany, which used it as an outpost against the Saracens. Pepin the Short, king of the Franks and Charlemagne's father, expelled the Lombards and nominally granted Corsica to Pope Stephen II. In the first quarter of the 11th century, Pisa and Genoa together freed the island from the threat of Arab invasion. After that, the island came under the influence of the republic of Pisa. To this period belong the many polychrome churches which adorn the island, and Corsica also experienced a