W. H. Auden once suggested that to understand your own country you need to have lived in at least two others. One can say something similar for periods of time: to understand your own century you need to have come to terms with at least two others. The key to learning something about the past might be a ruin or an archive but the means whereby we may understand it is—and always will be—ourselves.

The Time Traveller's Guide to Medieval England Brain Shot (ed. Random House, 2010) - ISBN: 9781407073675