This is a list of states in the Holy Roman Empire beginning with the letter D. Some historians mark the beginning of the Empire as 800, with the coronation of Frankish king Charlemagne ("Charles the Great").
Name Type Imperial circle Imperial diet History Dagstuhl (Dachstuhl) Lordship Upp Rhen n/a 802: To the Archbishopric of Trier1270: To Dagstuhl as fief of Trier1375: Extinct; to Fleckenstein, Kriechingen, Rollingen and Brücken1616-25: Acquired by Sötern piecemeal1662: To Oettingen-Baldern1793: To France1815: To Prussia Dannenberg County n/a n/a 1153: First mentioned; branch of Salzwedel1303: Sold to Lüneburg1311: Extinct Danzig (Gdańsk) Imperial City n/a n/a 1263: Acquired autonomy1301: To Denmark1308: To the Teutonic Order1457: To Poland with high autonomy1793: To Prussia1807: Free City of Danzig1813: To Prussia Daun Lordship n/a n/a 1075: First mentioned1163: Extinct; former servant Richard assumed the name and rights1250: Acquired part of Oberstein; renamed to Daun-Oberstein Daun-Falkenstein County Low Rhen WE 1518: Renamed from Daun-Oberstein1546: Partitioned into Daun-Falkenstein and Daun-Oberstein1667: Sold Falkenstein to Lorraine1682: Extinct; to Leiningen-Heidesheim Daun-Oberstein Lordship1518: County Low Rhen WE 1250: Renamed from Daun1163: Extinct; former servant Richard assumed the name and rights1250: Acquired part of Oberstein; renamed to Daun-Oberstein1518: Acquired Falkenstein; HRE Count; Renamed to Daun-Falkenstein1546: Partitioned from Daun-Falkenstein1636: Extinct; to Daun-Falkenstein1682: To Leiningen-Heidesheim1766: To Limburg-Styrum-Styrum1771: Idarbann to Baden1794: To France1815: To Prussia1817: Attached to the Principality of Birkenfeld Dauphiné County n/a n/a 1016: Albon first mentioned1030: Acquired half of ViennoisBy 1293: Became known as the Dauphiné of Viennois1349: Sold to France1355: Extinct Degenberg Lordship1465: Barony Bav SC 1189: First mentioned1303: Acquired Weißenstein1438: Partitioned into Degenberg-Degenberg and Degenberg-Weißenstein1454: Reunited by Degenberg-Degenberg1465: HRE Baron1487: Imperial immediacy1511: Acquired Hals1602: Extinct; succession disputed1607: To Bavaria; Seat in Imperial Diet and Bavarian Circle revoked Degenberg-Degenberg Lordship n/a n/a 1438: Partitioned from Degenberg1454: Renamed to Degenberg Degenberg-Weißenstein Lordship n/a n/a 1438: Partitioned from Degenberg1454: Extinct; to Degenberg-Degenberg Delmenhorst County Low Rhen WE 1254: First mentioned; to Oldenburg1281: To Oldenburg-Delmenhorst1414: To Archbishopric of Bremen1438: To Oldenburg1463: To Oldenburg-Delmenhorst1464: To Oldenburg1482: To Bishopric of Münster1547: To Oldenburg1577: To Oldenburg-Delmenhorst1647: To Oldenburg1667: To Denmark1711: To Hanover1731: To Denmark1773: To Oldenburg Dhaun Wildgraviate n/a n/a 1258: Partitioned from the Wildgraviate1350: Extinct; to Stein Diepholz Barony1524: County Low Rhen WE 1160: First mentioned; fief of Saxony1285: Acquired Blankena1291: Imperial immediacy1441: Acquired Wagenfeld, Bokel and Struten1482: Claimed title of Count1510: Partially made fief of Brunswick-Lüneburg1521: Remaining territory made fief of Hesse1553: Claimed Bronkhorst1585: Extinct; to Brunswick-Lüneburg and Hesse-Cassel Diessen (Dießen) County n/a n/a 954: First mentioned; Gau Counts in Traungau 1030: Partitioned into Wolfratshausen and itselfAdvocate (Vogt) of Bishopric of Brixenc. 1130: Acquired Plassenburg1132: Renamed to Andechs Diessen (Dießen) Abbacy n/a n/a by 1130: Abbey established by Diessen on site of previously destroyed abbey1132: To Andechs1248: Made fief of Bavaria1803: Abbey secularised and suppressed Diessenhofen Imperial City n/a n/a 1178: Made town of Kyburg1264: To Habsburg1415: Free Imperial City1442: To Austria1460: To the Old Swiss Confederacy as part of Thurgau Diez (Dietz) County n/a n/a 11th century: Formed in the Niederlahngau from Conradine properties12th century: Inherited territories in the Wetterau from Nürings1208: Partitioned into Diez-Diez and Diez-Weilnau1223: Reunited by Diez-Weilnau1234: Partitioned into Diez-Diez, Diez-Birstein and Diez-Weilnau1522: Divided between Eppstein-Königstein and Hesse-Kassel (or Hesse-Cassel) Diez-Birstein County n/a n/a 1234: Partitioned from Diez1322: Extinct; to Diez-Weilnau1332: Half to Isenburg-Cleberg1340: Isenburg half to Isenburg-Büdingen1438: All to Isenburg-Büdingen Diez-Diez County n/a n/a 1208: Partitioned from Diez1223: Extinct; to Diez-Weilnau1234: Partitioned from Diez1388: Extinct; to Nassau-Dillenburg Diez-Weilnau County n/a n/a 1208: Partitioned from Diez1223: Renamed to Diez1234: Partitioned from Diez1454: Extinct; to Nassau-Dillenburg Dinkelsbühl Imperial City Swab SW 1351: Free Imperial City1802: To Bavaria Disentis Abbacy Swab SP 8th Century: Abbey established9th Century?: Imperial immediacy11th Century: HRE Prince of the Empire1395: Co-founded the Grey League1648: Left the Empire as an ally of Switzerland DonauwörthSee: Schwäbisch Wörth Imperial City Dornbirn Lordship n/a n/a 9th centuryOriginally to Bregenz1171: To Tübingen1180: To Montfort1258: To Montfort-Feldkirch1375: To Austria1575: Much to Hohenems1654: Rest sold to Hohenems; the townsfolk repurchased it for Austria1771: To Austria1805: To Bavaria1814: To Austria Dortmund Imperial City Low Rhen RH 1220: Free Imperial City1803: To Nassau-Orange-Fulda1806: To Berg1813: To Prussia Drau (Pettau, Lower Carantanian March) Margraviate n/a n/a Around 970-9801147: Inherited by the Styrian Otakars1254: To Hungary1260: To Bohemia1278: To AustriaBy 1482: Integrated into the Duchy of Styria Drenthe County Burg n/a 8th century: Originally a gau county1024: To Bishopric of Utrecht1528: To the Spanish Netherlands1581: To United Provinces1648: Left the Empire as part of the Netherlands Duisburg Imperial City n/a n/a 10th century?: Free Imperial City1290: Annexed to Cleves1314: To Berg1392: To Cleves Düren Imperial City n/a n/a 1000: Free Imperial City1241: To Jülich Dyck Lordship n/a n/a 10th century1394: Extinct; to Reifferscheid-Bedburg1460: To Salm-Reifferscheid1639: To Salm-Reifferscheid-Dyck1794: To France1815: To Prussia
References