What was the name of the priestly class in ancient Celtic societies? Bards Druids Warriors Chieftains None Which ancient Celtic festival marked the beginning of the new year and the end of the harvest season? Beltane Imbolc Lughnasadh Samhain None What term refers to the elaborate, interwoven patterns found in Celtic art? Knotwork Hieroglyphics Calligraphy Frescoes None Which ancient Celtic queen led a rebellion against Roman occupation in Britain around 60-61 CE? Boudicca Maeve Cartimandua Medb None What term refers to the ancient Celtic social structure composed of tribes led by chieftains? Clan Sept Kingdom Tuath None Time's up