Another word for catastrophes

The evidence for the catastrophes under Artaxerxes I.

attempted without success to round up the few Turkish forces, rallied by Djavid, which had escaped from the catastrophes of Monastir and Yannina.

There were catastrophes detrimental to the preservation of older literary records, and vicissitudes which, if they have not left their mark on contemporary history - which is singularly blank - may be traced on the representations of the past.

As in a Greek tragedy, we hear in his works the echo of great events and terrible catastrophes; we do not see them.

Though the crimes of Nero and the catastrophes which resulted from his downfall, provoked the troubles of the year A.D.