Reconstructing the Chronology of Caesar's Gallic Wars
Histos 11 (2017) 1–74 RECONSTRUCTING THE CHRONOLOGY OF CAESAR’S GALLIC WARS1 Abstract: Caesar dates only the beginning of his first campaign and rarely mentions routes, distances, and times consumed. No detailed timelines for Caesar’s Gallic Wars exist. This gap can be filled by exploiting available clues in Caesar’s text (e.g., astronomical and sea- sonal events) and Cicero’s letters, and by determining the routes Caesar is likely to have chosen, average traveling and marching speeds (based on data in Caesar’s works and those of other authors), and the days required to cover the distances involved. Modern, digital maps based upon a GIS interface make it possible to measure distances with unprecedented precision. The resulting chronology, though often still speculative, is much more reliable than anything suggested previously. Keywords: Caesar, Gallic wars, chronology, speed of army movements, application of digital maps Introduction: General Assumptions, Principles, and Data2 In the middle of the nineteenth century, German scholars wrote monumental commentaries on Caesar’s Gallic War and Civil War. Those works, published 1 The reconstruction presented here is the result of work we originally did for the The Landmark Julius Caesar (Raaflaub (2017)). Planned as an appendix, it proved too large to be in included in that volume. A much condensed version will be placed on the website of the publisher (Pantheon). We thank Robert Strassler, the editor of the Landmark series, and Edward Kastenmeier at Pantheon for the permission to publish the full version in Histos, and the journal’s editor, Christopher Krebs, for accepting our submission on short notice.
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