Operation Sedan

Sedan surgery

This was a German final modification completing the transformation of 'Gelb' into 'Sichelschnitt' for the first and decisive stage of the invasion of France (13 February/10 May 1940).

This modification was concerned with altering the initial concept of 'Gelb' as a right-hook advance along the coast of Belgium and north-eastern France before a wheel to the south to pass round the western side of Paris into a left-hook breakthrough of the French positions at Sedan on the Meuse river before an advance to the north-east to reach the coast of the English Channel in the area to the west of Calais.