High Quality Content by WIKIPEDIA articles! The Battle of Tory Island, (sometimes called the Battle of Donegal, Battle of Lough Swilly or Warren`s Action) was a naval action of the French Revolutionary Wars, fought on 12 October 1798 between French and British squadrons off the northwest coast of Donegal, then in the Kingdom of Ireland. The last action of the Irish Rebellion of 1798, the Battle of Tory Island ended the final attempt by the French Navy to land substantial numbers of soldiers in Ireland during the war.