Derryvree’s Middle Midlandian
At the notional date of 31,287 BCE, Ireland lacked annual historical evidence; reconstruction relies on Late Pleistocene deposits. Derryvree, County Fermanagh, records a broadly dated, locally ice-free MIS 3 interval between glacial advances, with freshwater sediments, tundra vegetation, wetlands and periglacial conditions. Castlepook Cave, County Cork, preserves time-averaged remains of mammoth, reindeer, giant deer, bear and hyaena, demonstrating varied cold-stage fauna. A marked reindeer femur may indicate Upper Palaeolithic carcass processing, but remains contested and cannot prove settlement. Ireland faced climatic instability and impending wider glaciation, while evidence reveals neither polities nor established economy or human population at this time.