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Portus Dubris

a Pleiades connection resource

Creators: Sean Gillies
Contributors: Jeffrey Becker
Copyright © The Contributors. Sharing and remixing permitted under terms of the Creative Commons Attribution 3.0 License (cc-by).
Last modified Aug 30, 2021 02:09 PM History

Portus Dubris

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Proleptic Julian years prior to establishment of the Gregorian calendar