31 Oct., Samhain Popularly known as Hallowe'en. The Feast of the Ancestors and Witches' New Year. Trick-or-Treating evolved from Pagan "Souling," when children representing ancestors collected food and blessed the houses they visited.
22 Dec., Yule/Midwinter The Winter Solstice. Longest night of the year, Feast of the Rebirth of the Sun, after which the days begin to grow longer again. Many Christmas customs have a Pagan origin: the Yule Log, Christmas Tree, Evergreen Decorations, Wassailing.
1 Feb., Imbolc/Brigid Feast of Returning Light. Also called Candlemas. In honor of the Irish Brigid, Goddess of holy wells, fire, healing, smithcraft, and poetry. Brigid's Fire warms the Earth after Winter.
22 Mar., Eostre Named after the Anglo-Saxon Goddess of the Dawn; origin of the word "Easter." The Vernal Equinox, Feast of Planting and Rebirth.
1 May, Beltaine Also called May Day. The first day of Summer, the beginning of the light half of the year. A feast of fertility and burgeoning life.
22 June, Litha/Midsummer The Summer Solstice, the longest day of the year. Feast of the Sun on High or the Solar Hero; activities are mostly those to do with civilization/culture.
1Aug., Lughnasadh/Lammas "Feast of Lugh," or "Loaf-mass." Feast of the Hero-God Lugh, who undergoes a shamanic death-rebirth initiation, and/or the Barley God, who dies and is transformed into beer. Festival of the First Fruits, the first harvest.
22 Sept., Harvest Home Celebration of the Harvest. Has its analog in the American Thanksgiving, which was indeed originally a harvest festival. Home