translate English to French: At the time when Dieppe was raided, we have seen, the Allies were preparing for a large-scale invasion of French North Africa, which was actually carried out on 8 November 1942.
Nous avons vu qu'à l'époque du raid de Dieppe, les Alliés préparaient une grande invasion de l'Afrique du Nord française, invasion qui eut lieu effectivement le 8 novembre 1942.