Samhain were also a big part of the festival and often involved nuts and apples. In the late 19th century, Sir John Rhys and Sir James Frazer suggested that it was the "Celtic New Year", and this view has been repeated by some other scholars. In the 9th century AD, the Western Christian church shifted the date of All Saints' Day to 1 November, while 2 November later became All Souls' Day. Over time, Samhain and All Saints'/All Souls' merged to create the modern Halloween. Historians have used the name 'Samhain' to refer to Gaelic 'Halloween' customs up until the 19th
Samhain dates from a time when the Celts were mainly a pastoral people, dependent on their herds. Some Neolithic passage tombs in Ireland are aligned with the sunrise around the times of Samhain and Imbolc. These include the Mound of the Hostages ("Dumha na nGiall") at the Hill of Tara, and Cairn L at Slieve na Calliagh. In medieval Ireland the festival marked the end of the season for trade and warfare and was a time for tribal gatherings. These gatherings are a popular setting for early Irish tales. Irish mythology was originally a spoken tradition, but much of it was