This is a list of states in the Holy Roman Empire beginning with the letter C. 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 Calvelage County n/a n/a 1072: First mentioned1170: Renamed to Ravensberg Calw County n/a n/a 1075: First mentioned1155: Acquired Löwenstein1189: Side line Calw-Vaihingen founded 1150: Partitioned into Calw-Löwenstein and Calw-Calw Calw-Calw County n/a n/a 1150: Partitioned from Calw1282: Extinct; to Tübingen Calw-Löwenstein County n/a n/a 1150: Partitioned from Calw1277: Sold to Würzburg1281: Sold to Austria1283: To Schenkenberg who founded the County of Löwenstein Calw-Vaihingen County n/a n/a 1189: Founded by Godfrey of Calw after marrying heiress of Vaihingen1364: Extinct; to Württemberg Cambrai Bishopric1559: Archbishopric Low Rhen n/a 6th Century: Diocese established1007: Acquired Cambrésis; imperial immediacy1543: To Spain1559: Raised to Archdiocese1677: To France Cambrai Imperial City Low Rhen n/a 1227: Gained some autonomy from the Bishops1543: To Spain1677: To France Cammin (Kammin) Bishopric Upp Sax seebelow 1140: Diocese established1180: HRE Duke of the Empire1185-1227: Fief of Denmark1276: Acquired Kolberg1345: Imperial immediacy1556: Secularised to Pomerania-Wolgast1648: Secularised as Principality of Cammin to Brandenburg Cammin (Kammin) Principality Upp Sax PR 1556: Secularised to Pomerania-Wolgast1648: Secularised as Principality of Cammin to Brandenburg Cappenberg County n/a n/a 10th - 11th Century1122: Rhenish possessions to Cappenberg Abbey and Ilbenstadt Abbey1124: Swabian possessions to Swabia Carinthia (Kärnten) Duchy Aust n/a 889: Partitioned from Bavaria976: from Margraviate to Duke1286: To Gorizia-Tyrol1335: To Austria1803: Bench of Princes Carniola (Krain) Duchy Aust n/a 1040: Partitioned from Carinthia1071: To Aquileia1245: To Austria1246: To Carinthia1269: To Bohemia1276: To Austria1286: To Gorizia-Tyrol1335: To Austria1364: Margraviate to Duke1803: Bench of Princes1805-1806: To France Castell 1202/5: County Franc FR 1054: First mentioned1266: Partitioned into Castell-Unterschloss and Castell-Oberschloss1331: Reunited by Castell-Oberschloss1546: Partitioned into Castell-Castell, Castell-Remlingen and Castell-Rüdenhausen Castell-Castell County Franc FR 1546: Partitioned from Castell1577: Extinct; divided between Castell-Remlingen and Castell-Rüdenhausen1668: Partitioned from Castell-Remlingen1717: Extinct; to Castell-Remlingen1718: Partitioned from Castell-Remlingen1772: Renamed to Castell-Remlingen Castell-Oberschloss County n/a n/a 1266: Partitioned from Castell1331: Renamed to Castell Castell-Rehweiler County Franc FR 1718: Partitioned from Castell-Remlingen1772: Extinct; to Castell-Castell Castell-Remlingen County Franc FR 1546: Partitioned from Castell1595: Extinct; to Castell-Rüdenhausen1597: Partitioned from Castell-Rüdenhausen1668: Partitioned into itself and Castell-Castell1718: Partitioned into itself, Castell-Castell, and Castell-Rehweiler1762: Extinct; to Castell-Castell1772: Renamed from Castell-Castell1803: Partitioned into itself and Castell-Rüdenhausen1806: To Bavaria Castell-Rüdenhausen County Franc FR 1546: Partitioned from Castell1597: Partitioned into Castell-Remlingen and itself1803: Extinct; to Castell-Remlingen1803: Partitioned from Castell-Remlingen1806: To Bavaria Castell-Unterschloss County n/a n/a 1266: Partitioned from Castell1331: Extinct; to Castell-Oberschloss CeljeSee: Cilli Chablais County1310: Duchy n/a n/a 1018: To St Maurice's Abbey1035: Half to Savoy1128: All to Savoy1475: Half to Bern1536: All to Bern1569: All to Savoy1792: To France Chiemsee Bishopric Bav EC 1215: Diocese established; Held administrative functions in the Archbishopric of SalzburgInitially held votes in the Bavarian Circle and the Bench of Spiritual Princes1803: Secular functions abolished1808: Diocese abolished ChinyCountyn/a1337: Yvois and Virton sold to Luxembourg1364: To Luxembourg Chur Bishopric Aust EC 451: First mentioned958: Acquired territorial rights1798: To the Helvetic Republic Cilli (Celje; Cilly) Lordship1341: County1436: Princely County n/a n/a 1123: First mentioned; ministerialis of Styria1322: Acquired Heunburg as fief of Carinthia1333: Acquired Celje1341: HRE Count1397: Acquired Varaždin and Zagorje as fief of Hungary1418: Acquired Ortenburg1436: HRE Princely Count1456: Extinct; to Austria Cleves (Kleve) County n/a n/a 1092: First mentioned; emerged from the gau county of Hamaland1255: Partitioned into itself and Kranenburg 1275: Partitioned into itself and Hülchrath1290: Acquired Duisburg1368: Extinct; to Mark1394: Partitioned from Mark1397: Acquired Ravenstein1398: Acquired Mark; renamed to Cleves-Marck1521: To Jülich-Cleves-Berg1609: War of the Jülich Succession1614: To Brandenburg1795: To France1815: To Prussia Cleves-Marck (Kleve-Mark) County1417: Duchy Low Rhen PR 1398: Renamed from Cleves after acquisition of Mark1417: HRE Duke1450: Appanage Cleves-Ravenstein established1491: Side line Cleves-Nevers founded in France1521: Extinct; to Jülich-Berg who formed Jülich-Cleves-Berg Cleves-Ravenstein Barony n/a n/a 1450: Appanage created in Cleves-Marck1528: Extinct; appanage abolished Colloredo Lordship1588: Barony1724: County1763: Principality Swab SC 1026: First mentioned; in the service of the Emperor1031: Invested with Mels as fief of Aquileia1588: HRE Baron1724: HRE Count1741: Bench of Counts of Swabia (Personalist)1763: HRE Prince1780: Acquired Bohemian estates of Mansfeld1788: Renamed to Colloredo-Mansfeld Colloredo-Mansfeld Principality (personalist) Swab SC 1788: Renamed from Colloredo1803: Purchased a portion of Limpurg, and Rieneck1806: Limpurg to Württemberg, Rieneck to Regensburg Colmar Imperial City Upp Rhen RH 1226: Free Imperial City1679: To France Cologne (Köln) Archbishopric1356: Prince-Elector El Rhin EL 313: Diocese first mentioned814: Raised to Archdiocese954: Acquired secular territory; HRE Prince of the Empire1180: Acquired Westphalia and Angria; HRE Duke1356: HRE Elector1794: Left bank to France1803: Secularised; Westphalia to Hesse-Darmstadt and Nassau-Orange-Fulda, Vest Recklinghausen to Arenberg Cologne (Köln) Imperial City Low Rhen RH 1288: Free Imperial City1794: To France1815: to Prussia Comburg Abbacy1488: Provostry Franc SC 1078: Abbey established13th Century?: Imperial immediacy1484: Made fief of the Bishopric of Würzburg1488: Converted into a Provostry1583: Made fief of Württemberg1803: Secularised CornelimünsterSee: Kornelimünster Abbacy Corvey (Korvey) Abbacy1792: Bishopric1803: Principality Low Rhen EC 877: Abbey established 1150: Imperial immediacy 1582: HRE Prince of the Empire1792: Converted to a Bishopric1803: To Nassau-Orange-Fulda1807: To Westphalia1815: To Prussia Cottbus Lordship n/a n/a 1199: Lords of Cottbus first mentioned1445: Sold to Brandenburg1807: To Saxony1813: To Prussia Croÿ (Croy) Lordship1677: Principality1767: Duchy Low Rhen PR 12th Century: First mentioned1590: Acquired Solre; fief of the Spanish Netherlands1677: HRE Prince1767: Duke in France1803: Acquired Dülmen1806: To Arenberg1810: To France1815: To Prussia Cuijk (Cuyk) Lordship n/a n/a 11th Century: First mentioned1132: Side line Cuijk-Arnsberg founded1400: Sold to Guelders1492: Extinct Cuijk-Arnsberg Lordship n/a n/a 1132: Established when Godfrey I of Cuijk acquired Arnsberg by marriage1166: Made fief of Cologne1237: Side line Rietberg founded1352: Ceded Fredeburg to Marck1368: Sold to Cologne1371: Extinct
References