Samhain the 1 November date was a Germanic rather than a Celtic idea. In the 11th century, 2 November became established as All Souls' Day. This created the three-day observance known as Allhallowtide: All Hallows' Eve (31 October), All Hallows' Day (1 November), and All Souls' Day (2 November). It is widely believed that many of the modern secular customs of All Hallows' Eve (or Halloween) were influenced by the festival of Samhain. Samhain and Samhain-based festivals are held by some Neopagans. As there are many kinds of Neopaganism, their Samhain celebrations can be very different despite the shared name. Some
Samhain Middle Irish writer notes that Samhain is also called "Féile Moingfhinne" (the Festival of Mongfind or Mongfhionn), and that "women and the rabble make petitions to her" at Samhain. Many other events in Irish mythology happen or begin on Samhain. The invasion of Ulster that makes up the main action of the "Táin Bó Cúailnge" ('Cattle Raid of Cooley') begins on Samhain. As cattle-raiding typically was a summer activity, the invasion during this off-season surprised the Ulstermen. The "Second Battle of Magh Tuireadh" also begins on Samhain. The Morrígan and The Dagda meet and have sex before the battle against