He was to continue such gestures after the Holy Year had ended, for example in his remarkable visit to Greece in May 2001, which initially evoked a storm of protest from Orthodox ecclesiastics, but in the course of which the pope simply and humbly apologized before the Archbishop of Athens for Roman Catholic sins against the Orthodox churches, especially the Sack of Constantinople during the Fourth Crusade, an episode which for many Orthodox epitomized the evils of Latin Christendom.