 "Mirabeau" participated in the July maneuvers in the Western Mediterranean and the exercise simulating a blockade of Ajaccio, Corsica, in November.On 3 March 1913 the First Battle Squadron conducted gunnery training off the Îles d'Hyères with the First Lord of the Admiralty, Winston Churchill, observing.The ship participated in combined fleet maneuvers between Provence and French Tunisia in May–June and the subsequent naval review conducted by the President of the Council, Raymond Poincaré, on 7 June.