 "Andrea Doria" and "Caio Duilio" were present during the Corfu incident in 1923.In January 1925, "Andrea Doria" visited Lisbon, Portugal, to represent Italy during the celebration marking the 400th anniversary of the death of explorer Vasco da Gama.The two ships performed the normal routine of peacetime cruises and goodwill visits throughout the 1920s and early 1930s; both were placed in reserve in 1933.