Virtually every publication on the Greek Revolution signals the Battle of Navarino (20 October 1827) as a turning point in international involvement with events in Greece. What the historiography tends to ignore, however, is the significant degree of military intervention that preceded 1827, particularly at sea. Yet, the Greek Revolution was six years underway and had already taken to the sea by the time of Navarino. Several naval actors at Navarino had been involved in the maritime handling of the revolution since its very beginning, including the Royal Navy captain Gawen Hamilton, the French Vice-Admiral Henri de Rigny and the Algerine commander Mustapha Bachalî Raïs. What had they been doing before then in the seas around Greece? By looking at the first phases of the Greek Revolution, from 1821 to 1827, this article clarifies how different imperial powers tried to manage the uncertainties and threats that the rebellion brought to the waters of the Mediterranean. It draws from source material on the navies of Great Britain, France, Austria and the Ottoman Empire. The piece provides three insights that highlight the significance and contingencies of imperial involvement in the first phase of the revolution. These insights relate to: (a) belligerency at sea; (b) the security threats of piracy and privateering; and (3) naval interventionism
