The Internets answer:
The Greeks also made sacrifices before competing in sports, going off to war, or setting sail on a long voyage. The Greeks honored their gods and goddesses by holding religious festivals. ... They were the drama festivals honoring Dionysus, the god of wine. Many of these plays told stories of Greek gods or heroes.
My Own words
The Greeks honored their gods by holding feligious festivals, they were a bit like drama festivals, honoring their god of wine "Dionysus". Many plays told stories of greek gods and heroes.
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