Reposted by Stephen Gaddkgeographer 🇺🇦 🇬🇪 🇦🇱 @kgeographer.bsky.social · 10/09/2026🧵 The Environmental Dimensions of Place Service (EDOPS) v0.4 is live: edops.computingplace.org Give it a place (settlement, historical polity) & get a structured "environmental signature" of the drainage basin(s) it occupies: hydrology, climate, terrain, etc. + climate & land use over time 1/3 147
Reposted by Stephen GaddWorld Historical Gazetteer @whgazetteer.org · 28/08/2026Inspired by @sharonhoward.bsky.social's beautiful mapping of @thegozfather.bsky.social's catalogue of pleadings in the Court of Requests, we're building a new Workbench tool to help identify place names from the descriptions. worldhistoricalgazetteer.github.io/workbench-de... 0157
Reposted by Stephen GaddWorld Historical Gazetteer @whgazetteer.org · 01/06/2026Trying something new: feeding old print gazetteers through modern OCR + open LLMs + our newly-expanded index to see how much can be turned into searchable, mappable data. Read more at blog.whgazetteer.org?p=434 Play with it: worldhistoricalgazetteer.github.io/gazetteer-of... 0116
Reposted by Stephen GaddWorld Historical Gazetteer @whgazetteer.org · 22/05/2026🕵️We're transcribing and geocoding all 7 volumes of "A Gazetteer of the World" (1856), a monumental work edited anonymously by "a Member of the Royal Geographical Society" @rgs.org - can anyone suggest who that might have been, and why they might not have been named? archive.org/details/agaz... 276
Stephen Gadd @docuracy.co.uk · 19/05/2026Companion to the Datini Letters map: a new Voyages explorer for the Melis archive. 3,393 Mediterranean ship records (1379–1492). Arcs coloured by predominant vessel type per route. Ports geocoded via @whgazetteer.org. docuracy.github.io/datini/viagg... #DigitalHumanities #DH #MedievalMed 063
Stephen Gadd @docuracy.co.uk · 10/05/2026🔔 A heavy church bell meant a heavy cart and a way capable of bearing it. Can the spread of bells >5cwt from their foundries serve as a proxy for pre-modern wheeled-transport networks, at least where navigable waterways can be ruled out? 1/5 #HistoricalGIS #EconomicHistory #TransportHistory 1136
Reposted by Stephen GaddCambridge University History Faculty @camhistory.bsky.social · 05/05/2026How @camunicampop.bsky.social researchers are turning static snapshots of Victorian Britain into dynamic life histories. The team are linking over 200 million census records, revealing how people moved, worked and lived in ways never before possible. 🔎 Read on 👉 www.hist.cam.ac.uk/news/tracing... 310250
Stephen Gadd @docuracy.co.uk · 04/05/2026New in the Datini Letters explorer: click any city to focus on its correspondence routes. Shareable links capture the full state of the view. docuracy.github.io/datini/#mode... #MedievalSky #DigitalHumanities 0136
Stephen Gadd @docuracy.co.uk · 01/05/2026✉️ Explore 145,000 medieval merchant letters as a live map: the correspondence network of Francesco di Marco Datini (c.1363–1412), spanning Florence to Barcelona to North Africa. Visualise routes, travel times & seasonality. docuracy.github.io/datini/ #DigitalHumanities #MedievalHistory 19844343
Stephen Gadd @docuracy.co.uk · 11/03/2026Medieval Markets & Fairs in England & Wales: remember the excellent dataset published back in 2003? I've given it a snazzy new interface, incorporating various updates which were made following publication. Separately, I'm working on extending it to 1846... ihr-digital.github.io/markets-and-... 36126
Stephen Gadd @docuracy.co.uk · 19/12/2025Fun piece by @justincolson.bsky.social and Werner Scheltjens. My job on this project is to turn messy medieval records into a tidy database so that my colleagues can more easily spot trends in fashion, industry, and commercial networks. theconversation.com/medieval-lon...theconversation.comMedieval Londoners’ cheaply imported mass-produced Christmas gifts look surprisingly familiarWe often imagine medieval life as dull, dirty and short, with little in the way of material comfort or decoration. However, medieval Londoners were importing toys, treats and trinkets by the boatload ... 0122
Reposted by Stephen GaddGabriel Bodard @palaeofuturist.bsky.social · 11/11/2025(4) Linking Knowledge Through Place: ISHI, WHG, and the Future of Gazetteer Collaboration, with @rmostern.bsky.social @docuracy.co.uk, Alexandra Loranna, Palak Vashist. Look at Institute for Spatial History Innovation & World Historical Gazetteer. Register to participate at forms.gle/dzSq2GibT17n...forms.gleLinking Knowledge Through Place: ISHI, WHG, and the Future of Gazetteer CollaborationDescription: This activity focuses on advancing collaborative methods for historical place alignment across gazetteers and related datasets within the Pelagios community. It brings together members of... 143
Reposted by Stephen GaddGabriel Bodard @palaeofuturist.bsky.social · 10/11/2025Linked Pasts 11 programme (December 1–5 and some 8–12) linkedpasts.hcommons.org/2025/11/09/l...linkedpasts.hcommons.org 11319
Reposted by Stephen GaddDr Trixie Gadd @trixiegadd.bsky.social · 03/10/2025This week's fungi for #FungiFriday. 082
Reposted by Stephen GaddDr Rebecca Tyson @tyguson.bsky.social · 02/08/2025Today I start my research trip sailing down the River Seine from Paris to Honfleur (via a few stops) in a reconstruction of the Klåstad cargo ship built in 998. It’s the penultimate stage in the ship’s journey from Rome to London throughout the summer. I’ll post updates as we go #Saga25 #MedievalSky 1746995
Stephen Gadd @docuracy.co.uk · 19/07/2025Hours of fun spent realigning my foolishly London-centric assumptions about medieval European trading networks. Shetland, for example, was far from peripheral: a non-Mercator map-projection helps. I've rebuilt the journey-timed, square-rigged sailing algorithm for docuracy.github.io/Historical_S... 1163
Stephen Gadd @docuracy.co.uk · 05/07/2025Thanks, @drpda.bsky.social, this looks like a really useful source, as it includes dates and waypoints for a number of long-distance voyages. 👏 I'd love to get hold of Paula Martin's transcript, though: any suggestions of how I might do that? 151
Stephen Gadd @docuracy.co.uk · 05/07/2025🌍 Ports are now (optionally) shown on the eRutter to help with route picking. 🤔 They're currently fetched from @wikidatacommunity.bsky.social, but this would be a great use case for a @whgazetteer.org temporal API to filter out modern ports and highlight ancient ones. 041
Stephen Gadd @docuracy.co.uk · 04/07/2025🪄Historical Sea Routing is now much quicker to load, reload, and compute seasonally-plausible sailing routes, thanks to some behind-the-scenes browser magic. Find a 6500-mile return trip in under 1 second! 🛟 Do you have historical voyage data which might help with calibration? [1/3] 32816
Stephen Gadd @docuracy.co.uk · 02/07/2025🌍 I've just published this here docuracy.github.io/Historical_S... for anyone to play with. Screenshots, code, and caveats at github.com/docuracy/His....docuracy.github.ioSea Router 080
Stephen Gadd @docuracy.co.uk · 16/06/2025🧭 Building a lightweight sea-routing graph for historical GIS & DH use cases beyond simple port-to-port hops. Edges are weighted for ~5km coastal preference. Aiming for serverless exploration of connectivity in historical maritime trade. ⚓️ #MaritimeHistory #HistoricalGIS #DigitalHumanities 13411
Reposted by Stephen GaddWorld Historical Gazetteer @whgazetteer.org · 11/06/2025Want to work with the WHG team? The Institute for Spatial History Innovation @ Pitt is hiring a full-time Research Associate to be the Digital Data Specialist & Managing Editor of World Historical Gazetteer! Learn more & apply by July 11: bit.ly/4kAknki @rmostern.bsky.social @docuracy.co.ukbit.lyJob Opportunity - Research Associate at Institute for Spatial History Innovation | World History Center | University of PittsburghThe University of Pittsburgh's Institute for Spatial History Innovation (ISHI) is currently accepting applications for a full-time Research Associate to act as the Digital Data Specialist. The selecte... 024
Reposted by Stephen GaddIsabelle Marie @isabellemarie.bsky.social · 11/05/2025Medieval England’s Road Network Mapped Using the Gough Map. www.medievalists.net/2025/05/medi...medievalists.netMedieval England’s Road Network Mapped Using the Gough Map - Medievalists.netA new study uses the Gough Map to reconstruct medieval England’s road network, revealing how Roman routes shaped travel for centuries. 04417
Reposted by Stephen GaddWorld Historical Gazetteer @whgazetteer.org · 30/04/2025🌍 Recent updates to the WHG user interface give faster loading and globe visualisations. Image: Indigenous Place Names in North America, a WHG Place Collection at doi.org/10.60681/whg... Explore more at: whgazetteer.org ! #DigitalHumanities #HistoricalGIS #GeoHumanities #HistoricalGeography 085
Reposted by Stephen GaddHobnob Press @hobnobpress.bsky.social · 31/03/2025Discover 17th century travel through the eyes of John Walker in our new release. Edited by Anthea Jones. www.hobnobpress.co.uk/books/p/john...hobnobpress.co.ukJohn Walker's Commonplace Book: A Traveller in the 1670s, edited by Anthea Jones — Hobnob PressTravelling for pleasure in the 1670s required plenty of stamina. John Walker, a well-to-do country gentleman in his early thirties, rode many miles on horseback through England, Wales and Scotland, an... 032
Stephen Gadd @docuracy.co.uk · 30/03/2025👇Results from my latest version of desCartes, a hybrid machine learning system for detecting roads on old maps. Its 0.76 IoU score for roads is 31% better than the closest benchmark. 🤯 Preprint forthcoming on arXiv. 082
Reposted by Stephen GaddJames Baker @jwbaker.bsky.social · 14/03/2025The 2025 Richard Deswarte Prize in Digital History celebrates the best of digital history internationally. You have until 30 May to nominate your work or work you love. Please consider doing so. ihrdighist.blogs.sas.ac.uk/2021/12/the-... #dhistihrdighist.blogs.sas.ac.ukThe 2025 Richard Deswarte Prize in Digital History - Digital History Seminar**SUBMIT HERE BY 30 MAY** Richard Deswarte (1965-2021) was one of the founding convenors of the Digital History seminar at the Institute of Historical Research (IHR), University of London, an advocate... 01113
Reposted by Stephen GaddAlexis Litvine @alexislitvine.bsky.social · 03/03/2025Really enjoyed working on this with Stan Hinton and would love to get some feedback on methods and findings from anyone out there. All criticicsm welcome, this is what WPs are for! 001
Reposted by Stephen GaddCambridge Group for the History of Population & Social Structure @camunicampop.bsky.social · 06/02/2025📣New blog post alert! 📣 Who had access to common land in the past, and how extensive were common rights? Our latest blog post by Leigh Shaw-Taylor demonstrates that it was not such an open system as we might assume, even before enclosure... www.campop.geog.cam.ac.uk/blog #skystorianscampop.geog.cam.ac.ukThe Cambridge Group for the History of Population and Social Structure, Cambridge Top of the Campops: 60 things you didn't know about family, marriage, work, and death since the middle ages 0157
Stephen Gadd @docuracy.co.uk · 04/01/2025Inventor Alexander Lagerman's beautiful machines in the Matchstick Museum (Tändstickmuseet), Jönköping, including a fairly early (1892) industrial example of non-circular gears. 👌🏻 sv.m.wikipedia.org/wiki/Alexand... 040
Reposted by Stephen GaddMargot Finn @eicathomefinn.bsky.social · 29/12/2024Even when the Bayeux Museum closes for renovations in September, you can access the Tapestry online here. A treat for #Skystorians 36320
Reposted by Stephen GaddRainer Simon @aboutgeo.bsky.social · 23/12/2024Today I'm launching #liiive: a new IIIF viewer that puts real-time collaboration front and center. View, annotate, and discuss together as if you're in the same room. Just paste a manifest URL and go! liiive.now 🎄 #DigitalHumanities #IIIF #DH #ArtHistory #Museumsliiive.now 34118
Reposted by Stephen GaddDr Bendor Grosvenor FRHistS @bendorgrosvenor.bsky.social · 17/12/2024I don't see many long threads on here, but I'll try one - it's about Holbein's Ambassadors, his 1533 masterpiece in the National Gallery. It's often presented as a great mystery, but I think once we understand the circumstances in which it was made, its meaning becomes clearer. 1/ 511281400
Reposted by Stephen GaddJustin Colson @justincolson.bsky.social · 02/12/2024Excited to have received funding from @ukri.org AHRC and @dfgpublic.bsky.social to work with Werner Scheltjens at Univ. Bamberg for our project Unlocking Upcycled Medieval Data: North Sea Networks, People, and Commodities in the London Customs Accounts 1380-1560'history.ac.ukUnlocking Upcycled Medieval DataExamining the consumer culture of the fifteenth century through digital analysis of London's medieval customs accounts 99228
Reposted by Stephen GaddBrodie Waddell @brodiewaddell.bsky.social · 23/11/2024For every noble or gentleman who did the 'Grand Tour', there was one or more servants who did it with them, but these men and women have been mostly invisible and unheard. @richardjansell.bsky.social's new edition finally gives us access to their perspectives and their #WrittenWorlds! 20704184
Reposted by Stephen GaddDr Cathryn Pearce @cathrynpearce.bsky.social · 20/11/2024Attended a IHR/People, Place and Community @chppc.bsky.social seminar. Intrigued about the National Archives project on Ravenser Odd, a community that rose from the sea in the c13th century in mouth of River Humber, and then lost again. #CoastalHistory beta.nationalarchives.gov.uk/explore-the-...beta.nationalarchives.gov.ukRavenser OddRavenser Odd was a short-lived island in the mouth of the River Humber. It rose from the sea in the early 13th century and had sunk beneath the waves again by 1360. Documents at The National Archives ... 4167
Stephen Gadd @docuracy.co.uk · 19/11/2024Age yourself with your first #computer 1977, TRS-80 🤯 The "80" made it sound ever so futuristic, though that referred to its 8-bit processor. en.wikipedia.org/wiki/TRS-80en.wikipedia.orgTRS-80 - Wikipedia 130
Reposted by Stephen GaddPeter Gilliver @petermgilliver.bsky.social · 18/11/2024A fresh reminder/plea, as this place has grown quite a bit since my last, er, autotrombation. The website now has a couple of dozen more articles. Please spread the word. 2410
Reposted by Stephen GaddLayers of London @layersoflondon.bsky.social · 14/11/2024Hello! We are over here now. Come and explore our more than 400 historic maps of London available to view on our website. Which is your favourite? layersoflondon.org/map?layers=t... #Maps #GIS #HGIS #SpatialHumanities #DigitalHumanities #GeoHumanities #StoryMaps #MapMondaylayersoflondon.orgLayers of London 815959
Reposted by Stephen GaddInstitute of Historical Research Wohl Library @ihrlibrary.bsky.social · 09/11/2024The library is a rich resource for anyone researching British and Irish #localhistory. But we also have local history holdings in many other collections, including Germany, Latin America, Italy and US States to name a few. Browse the library pages to find out more www.history.ac.uk/library-digi... 04112
Reposted by Stephen GaddThe Pelagios Network @pelagios.bsky.social · 07/11/2024Given current events, this seems to be the right time for us, Pelagios, to be joining bluer skies. Who are we? We are a free and open association of equal and interdependent Partners from the digital humanities, GLAM sector, and data science field, working to make linking data online really easy. 3288
Stephen Gadd @docuracy.co.uk · 12/11/2024Building on foundations laid by @kgeographer.bsky.social, we're constantly looking for ways to cement @whgazetteer.org in the #DH ecosystem. Ideas and followers welcome! 042
Reposted by Stephen GaddTom Elliott @paregorios.bsky.social · 08/11/2024I have just put up a design spec for a "Linked Data" sidebar portlet I hope we can add to #PleiadesGazetteer place pages before the winter break. github.com/isawnyu/plei... Comments and suggestions are welcome on the ticket on GitHub. Boost as you will. #DH #gazetteers #LinkedDatagithub.comImplement a "linked data" portlet in the right sidebar · Issue #524 · isawnyu/pleiades-gazetteerTo replace the functionality of the defunct Peripleo sidebar, we need a new right-side portlet to appear alongside every place page that provides links to external sites that claim to provide infor... 132
Reposted by Stephen GaddThe Viabundus Map @viabundus.bsky.social · 20/03/2024Viabundus 1.3 ("St. Gertrud") is online! The most notable new feature is, that you can include stations to your route, so you can better follow itineraries in your sources. 11210