Alcibiades ' military and political talents frequently proved valuable to whichever state currently held his allegiance , but his propensity for making powerful enemies ensured that he never remained in one place for long ; and , by the end of the war he had helped rekindle in the early 410s , his days of political relevance were a bygone memory .
By the end of the war ( which he had helped rekindle in the early 410s ) his days of political power were a bygone memory .