Added Abbey of Thorn and a few minor territories; tweaked some boundaries around the Dutch border

Added Electorate of Cologne and Dutch exclave of Venlo

Added Prussian Guelders; Corrected status of Duisburg

Added Abbeys of Essen and Werden, Free City of Cologne, County of Moers and the Homburg exclave of Sayn-Wittgenstein; Amended the boundaries of Berg, Cleves and Gimborn (and the Prussian Westphalia/Rhine Provinces)

Added Vest Recklinghausen and removed its territory from the Lower Rhenish-Westphalian Circle

Added Hesse-Rottenburg, the Abbey of Hersfeld, some earlier itterations of Hesse-Kassel and several Ämter/Vogteien in Hersfeld

Roughly added Austrian Upper Guelders

Roughly added Artois (and several other as-yet unused boundary ways)

Removed some left bank territories from Hesse-Darmstadt after Campo Formio

Added Vorderösterreich (incomplete), the County of Falkenstein and the Baden exclave of Grafenstein; removed Baden left-bank territories after Campo Formio; amended Hanau-Lichtenburg boundary

Added start_date and fixme to Leiningen

Removed Provence from the Ostrogothic Kingdom before 508; Adjusted boundaries "Roman Italy" and its Regiones so they actually (roughly) conform to the source given (previous version distorted/inflated the northern boundaries)

Removed Idrija from Carniola until c.1500; Gave modern Ticino to Milan until the Swiss conquests of 1440 and 1495-1513; Added Habsburg Milan 1734-86 and 1791-96; Closed up mid-19c. Genoa

Very roughly added Gradisca etc to Venice pre-1510s and the ecclesiastical excalves of Veldes and Bischoflack (1803 to Carniola)

Added Nassau-Weilburg, Nassau-Saarbrücken, Leiningen and the Free Cities of Landau and Weißenburg; Amended France-HRE border

Removed Schwarzburg exclaves from Brandenburg/Prussia

Added Electorate of Mainz; Free City and Prince-Bishopric of Worms

Added Hesse-Darmstadt, Free Cities of Speyer & Friedberg and County of Königstein

Corrected some boundaries (Würzburg-Fulda) and added County of Rieneck

Added 1564-71 County of Schwarzburg, 1571-1710 Schwarzburg-Rudolstadt and Schwarzburg-Frankenhausen