Earliest human occupations at Dmanisi (Georgian Cautasus) dated to 1.85-1.78 Ma. - Ferring, Reid; Oms, Oriol; Agusti, Jordi; Berna, Francesco; Nioradze, Medea; Shelia, Teona; Tappen, Martha; Vekua, Abesalom; Zhvania, David; Lordkipanidz, David (Proceedings of the National Academy of Sciences of the United States of America, 2011)