Iconoclasm (Gk., ‘image-breaking’). A movement which agitated the Church in the E. Roman Empire,
c.725–843. The veneration of
icons had attracted an undercurrent of opposition for centuries (as early as
Epiphanius), but in the wake of a renewed Arab threat to Asia Minor it was widely blamed, especially in the army, for the weakness of the Christian empire. The opposition to icons was taken up by the emperors Leo III (717–41) and Constantine V (741–75). A fierce persecution, especially of monks, ensued. Under the empress Irene (from 780), however, the position was reversed: at the seventh
ecumenical council at Nicaea in 787 the veneration of icons was officially reintroduced and the degree of veneration to be paid to them was defined.
After a politically unsettled period the new emperor Leo V (813–20) reasoned that iconoclasm ought to be reinstated, but persecution was in general less severe in this second phase of the controversy. An iconophile patriarch, Methodios, was elected in 843, and a great feast (since kept as the Feast of Orthodoxy) was celebrated on the first Sunday of Lent to mark the victory of the icons.
Iconoclasm then becomes a general word for opposition to, and destruction of, visible representations of the divine, and, more colloquially, for the destruction of that which is traditionally revered.