Seareach
The Feast of the Nativity of Mary is because it prepares the way of the birth of the Lord.
Antinous is the person who denies food to Odysseus during the feast in book XVII of the Odyssey.
9 days
Circe fed Odysseus' men a poisoned feast which turned them into animals, specifically swine.
Circe was an enchantress, and had Odysseus' crew eat a poisoned feast which would make them susceptible to the magic.
Irus believes that he being the younger will be able to get rid of Odysseus entirely, and thus have no more competition begging at the suitors' feast.
Hermione refused to eat the feast once she learned that the house-elves who made the feast were slaves.
They split the sheep of the cyclops among the men and had a feast, sacrificing the ram to Zeus.
Odysseus prepared by disguising himself as a beggar, and managing to enter his castle during his feast. He build up his reputation as an old man who had lost his wealth.
Odysseus' men are meat, and thus tastier and more nutritious than goats' milk. The cyclops live as men where might makes right, and the cyclops are wild and solitary.
December 25 - Christmas.