Dendrochronology radiocarbon dating calibration
While of critical importance to the historian, methods of determining chronology are used in most disciplines of science, especially astronomy, geology, paleontology and archaeology.
An epoch is the date (year usually) when an era begins. It was used to identify the Roman year by a few Roman historians.
The second part is a long table synchronizing the events from each of the nine kingdoms in parallel columns.
The image to the right shows two pages from the second section.
The study of the means of placing pottery and other cultural artifacts into some kind of order proceeds in two phases, classification and typology: Classification creates categories for the purposes of description, and typology seeks to identify and analyse changes that allow artifacts to be placed into sequences.
Laboratory techniques developed particularly after mid-20th century helped constantly revise and refine the chronologies developed for specific cultural areas.By comparing the parallel columns, the reader can determine which events were contemporaneous, or how many years separated two different events.