Inspired by Charlie Plett’s work mapping the British Empire in OHM and the book, “How to Hide an Empire” (about the American empire (yes!)), this session will focus on the myriad aspects of recreating historical empires in OHM: obtaining source maps, tagging (admin_level=0???), modeling historical relationships not covered by OSM tags, indeterminate boundaries, disputed territories, licensing data derived from current maps, etc. We’ll illustrate these challenges with specific examples...
