true or false In ancient times, plays were written and performed at festivals dedicated to the god of fertility and wine, Dionysus.

True

Explanation:

The festival began with dithyrambs, or songs sung by a large chorus of usually 50 men. The remainder of the festival was dedicated to dramatic competitions in which five new plays were performed and judges gave prizes to the best authors and actors. Athenian acting seemed to be dominated by three.