Added some itterations of Holland

Added Holstein-Pinneberg and its union with Schaumburg

Shifted part of Frankish Kingdom's boundary west (original source was miscalibrated)

Added county of Steinfurt

Added pre-1400 County of Tecklenburg; removed Limburg's territory from the County of Mark and (Brandenburg)-Prussia

Added Tecklenburg as admin_centre for the county; added label for Solms-Braunfels period

Extended Lingen back to 1548 and Tecklenburg back to 1400

More specific date for Prussian acquisition/inheritance of Lingen

Removed Bederkesa from the Prince-Archbishopric of Bremen 1381-1648

Added East Frisia as separate immediate territory (admin_level=4) until 1744

Removed Harlingerland from East Frisia pre-1600

Added Gimborn to Mark pre-1631

Roughly added Schleswig-Holstein-Gottorp; Changed start_date for P.Bishopric of Hildesheim relation (to reflect when that extent started); fixed some relations

tagged Dresden as capital 1806-1866

Roughly improved section of border

Added fixme and more specifc date to Amt Gifhorn

Removed Kraul (now Ost-Krauel) from Vierlande/Lübeck

Added Hamburg-Lübeck condominium (Vierlande)

Added HRE-era Lübeck (free city and principality/prince-bishopric)

Roughly added Prince-Bishopric and Principality of Verden