President Carnot's ostensible part during this agitation was confined to augmenting his popularity by well-timed appearances on public occasions, which gained credit for the presidency and the republic. When, early in 1889, Boulanger was finally driven into exile, it fell to Carnot to appear as head of the state on two occasions of special interest, the celebration of the centenary of the French Revolution in 1889 and the opening of the Paris Exhibition of the same year. The success of both was regarded as a popular ratification of the republic, and though continually harassed by the formation and dissolution of ephemeral ministries, by socialist outbreaks, and the beginnings of anti-Semitism, Carnot had only one serious crisis to surmount, the Panama scandals of 1892, which, if they greatly damaged the prestige of the state, increased the respect felt for its head, against whose integrity none could breathe a word.