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Pope Boniface IV, in about the year 600, seems to have been the first who made a connection between these this era and Anno Domini.(AD 1 = AUC 754.) Dionysius Exiguus’ Anno Domini era (which contains only calendar years AD) was extended by Bede to the complete Christian era (which contains, in addition all calendar years BC, but no year zero).
M.) era, meaning that events were dated from the supposed beginning of the world as computed from the Book of Genesis in the Hebrew Pentateuch.Before the advent of the modern critical edition of historical Roman works, AUC was indiscriminately added to them by earlier editors, making it appear more widely used than it actually was.It was used systematically for the first time only about the year 400, by the Iberian historian Orosius.Ideally, archaeological materials used for dating a site should complement each other and provide a means of cross-checking.Conclusions drawn from just one unsupported technique are usually regarded as unreliable.According to the computation Eusebius used, this occurred in 5199 B. The Chronicon of Eusebius was widely used in the medieval world to establish the dates and times of historical events.
Subsequent chronographers, such as George Syncellus (died circa 811), analyzed and elaborated on the Chronicon by comparing with other chronologies.
Chronology is the science of locating historical events in time.
It relies upon chronometry, which is also known as timekeeping, and historiography, which examines the writing of history and the use of historical methods.
The adjacent image shows two pages from the second section.
By comparing the parallel columns, the reader can determine which events were contemporaneous, or how many years separated two different events.
The last great chronographer was Joseph Justus Scaliger (1540-1609) who reconstructed the lost Chronicon and synchronized all of ancient history in his two major works, De emendatione temporum (1583) and Thesaurus temporum (1606).