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ABSTRACT. Reliable series of high-precision radiocarbon dates in a stratified archaeological context are of great impor-tance for interdisciplinary chronological and historical studies. The Early Bronze Age in the Near East is characterized by the beginning of the great civilizations in Egypt and Mesopotamia, as well as by urbanization in the Levant. We present stratified high-precision dates of short-lived material of Tell es-Sultan (Jericho), covering Late Proto-Urban/EB I, EB II and EB III lay-ers from Trench III. Our calibrated dates, refined by Bayesian sequence analysis involving Gibbs sampling, are ca. 150-300 yr older than conventional archaeological age assessments. The corpus of 14C dates measured in the first decades after the dis-covery of 14C dating should not be taken too seriously. The 14C dates of Jericho measured by the British Museum 14C labo-ratory in 1971 appear to be erroneous