List of states in the Holy Roman Empire (C)

This is a list of states in the Holy Roman Empire beginning with the letter C:

Name	Type	Imperial circle	Imperial diet	History
Calvelage	County	n/a	n/a	1072: First mentioned 1170: Renamed to Ravensberg
Calw	County	n/a	n/a	c. 1075: First mentioned 1155: Acquired Löwenstein 1189: Side line Calw-Vaihingen founded c. 1150: Partitioned into Calw-Löwenstein and Calw-Calw
Calw-Calw	County	n/a	n/a	c. 1150: Partitioned from Calw 1282: Extinct; to Tübingen
Calw-Löwenstein	County	n/a	n/a	c. 1150: Partitioned from Calw 1277: Sold to Würzburg 1281: Sold to Austria 1283: 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 Vaihingen 1364: Extinct; to Württemberg
Cambrai	Bishopric 1559: Archbishopric	Low Rhen	n/a	6th Century: Diocese established 1007: Acquired Cambrésis; imperial immediacy 1543: To Spain 1559: Raised to Archdiocese 1677: To France
Cambrai	Imperial City	Low Rhen	n/a	1227: Gained some autonomy from the Bishops 1543: To Spain 1677: To France
Cammin (Kammin)	Bishopric	Upp Sax	see below	1140: Diocese established 1180: HRE Duke of the Empire 1185-1227: Fief of Denmark 1276: Acquired Kolberg 1345: Imperial immediacy 1556: Secularized to Pomerania-Wolgast 1648: Secularised as Principality of Cammin to Brandenburg
Cammin (Kammin)	Principality	Upp Sax	PR	1648 1556: Secularized to Pomerania-Wolgast 1648: Secularised as Principality of Cammin to Brandenburg
Cappenberg	County	n/a	n/a	10th - 11th Century 1122: Rhenish possessions to Cappenberg Abbey and Ilbenstadt Abbey 1124: Swabian possessions to Swabia
Carinthia (Kärnten)	Duchy	Aust	n/a	889: Partitioned from Bavaria 976: from Margraviate to Duke 1286: To Gorizia-Tyrol 1335: To Austria 1803: Bench of Princes
Carniola (Krain)	Duchy	Aust	n/a	1040: Partitioned from Carinthia 1071: To Aquileia 1245: To Austria 1246: To Carinthia 1269: To Bohemia 1276: To Austria 1286: To Gorizia-Tyrol 1335: To Austria 1364: Margraviate to Duke 1803: Bench of Princes 1805-1806: To France
Castell	1202/5: County	Franc	FR	1054: First mentioned 1266: Partitioned into Castell-Unterschloss and Castell-Oberschloss 1331: Reunited by Castell-Oberschloss 1546: Partitioned into Castell-Castell, Castell-Remlingen and Castell-Rüdenhausen
Castell-Castell	County	Franc	FR	1546: Partitioned from Castell 1577: Extinct; divided between Castell-Remlingen and Castell-Rüdenhausen 1668: Partitioned from Castell-Remlingen 1717: Extinct; to Castell-Remlingen 1718: Partitioned from Castell-Remlingen 1772: Renamed to Castell-Remlingen
Castell-Oberschloss	County	n/a	n/a	1266: Partitioned from Castell 1331: Renamed to Castell
Castell-Rehweiler	County	Franc	FR	1718: Partitioned from Castell-Remlingen 1772: Extinct; to Castell-Castell
Castell-Remlingen	County	Franc	FR	1546: Partitioned from Castell 1595: Extinct; to Castell-Rüdenhausen 1597: Partitioned from Castell-Rüdenhausen 1668: Partitioned into itself and Castell-Castell 1718: Partitioned into itself, Castell-Castell, and Castell-Rehweiler 1762: Extinct; to Castell-Castell 1772: Renamed from Castell-Castell 1803: Partitioned into itself and Castell-Rüdenhausen 1806: To Bavaria
Castell-Rüdenhausen	County	Franc	FR	1546: Partitioned from Castell 1597: Partitioned into Castell-Remlingen and itself 1803: Extinct; to Castell-Remlingen 1803: Partitioned from Castell-Remlingen 1806: To Bavaria
Castell-Unterschloss	County	n/a	n/a	1266: Partitioned from Castell 1331: Extinct; to Castell-Oberschloss
Celje See: Cilli
Chablais	County 1310: Duchy	n/a	n/a	1018: To St Maurice's Abbey 1035: Half to Savoy 1128: All to Savoy 1475: Half to Bern 1536: All to Bern 1569: All to Savoy 1792: To France
Chiemsee	Bishopric	Bav	EC	1215: Diocese established; Held administrative functions in the Archbishopric of Salzburg Initially held votes in the Bavarian Circle and the Bench of Spiritual Princes 1803: Secular functions abolished 1808: Diocese abolished
Chur	Bishopric	Aust	EC	451: First mentioned 958: Acquired territorial rights 1798: To the Helvetic Republic
Cilli (Celje; Cilly)	Lordship 1341: County 1436: Princely County	n/a	n/a	1123: First mentioned; ministerialis of Styria 1322: Acquired Heunburg as fief of Carinthia 1333: Acquired Celje 1341: HRE Count 1397: Acquired Varaždin and Zagorje as fief of Hungary 1418: Acquired Ortenburg 1436: HRE Princely Count 1456: Extinct; to Austria
Cleves (Kleve)	County	n/a	n/a	1092: First mentioned; emerged from the gau county of Hamaland 1255: Partitioned into itself and Kranenburg c. 1275: Partitioned into itself and Hülchrath 1290: Acquired Duisburg 1368: Extinct; to Mark 1394: Partitioned from Mark 1397: Acquired Ravenstein 1398: Acquired Mark; renamed to Cleves-Marck 1521: To Jülich-Cleves-Berg 1609: War of the Jülich Succession 1614: To Brandenburg 1795: To France 1815: To Prussia
Cleves-Marck (Kleve-Mark)	County 1417: Duchy	Low Rhen	PR	1398: Renamed from Cleves after acquisition of Mark 1417: HRE Duke 1450: Appanage Cleves-Ravenstein established 1491: Side line Cleves-Nevers founded in France 1521: Extinct; to Jülich-Berg who formed Jülich-Cleves-Berg
Cleves-Ravenstein	Barony	n/a	n/a	1450: Appanage created in Cleves-Marck 1528: Extinct; appanage abolished
Colloredo	Lordship 1588: Barony 1724: County 1763: Principality	Swab	SC	1026: First mentioned; in the service of the Emperor 1031: Invested with Mels as fief of Aquileia 1588: HRE Baron 1724: HRE Count 1741: Bench of Counts of Swabia (Personalist) 1763: HRE Prince 1780: Acquired Bohemian estates of Mansfeld 1788: Renamed to Colloredo-Mansfeld
Colloredo-Mansfeld	Principality (personalist)	Swab	SC	1788: Renamed from Colloredo 1803: Purchased a portion of Limpurg, and Rieneck 1806: Limpurg to Württemberg, Rieneck to Regensburg
Colmar	Imperial City	Upp Rhen	RH	1226: Free Imperial City 1679: To France
Cologne (Köln)	Archbishopric 1356: Prince-Elector	El Rhin	EL	313: Diocese first mentioned 814: Raised to Archdiocese 954: Acquired secular territory; HRE Prince of the Empire 1180: Acquired Westphalia and Angria; HRE Duke 1356: HRE Elector 1794: Left bank to France 1803: Secularised; Westphalia to Hesse-Darmstadt and Nassau-Orange-Fulda, Vest Recklinghausen to Arenberg
Cologne (Köln)	Imperial City	Low Rhen	RH	1288: Free Imperial City 1794: To France 1815: to Prussia
Comburg	Abbacy 1488: Provostry	Franc	SC	1078: Abbey established 13th Century?: Imperial immediacy 1484: Made fief of the Bishopric of Würzburg 1488: Converted into a Provostry 1583: Made fief of Württemberg 1803: Secularised
Cornelimünster See: Kornelimünster	Abbacy
Corvey (Korvey)	Abbacy 1792: Bishopric 1803: Principality	Low Rhen	EC	877: Abbey established c. 1150: Imperial immediacy c. 1582: HRE Prince of the Empire 1792: Converted to a Bishopric 1803: To Nassau-Orange-Fulda 1807: To Westphalia 1815: To Prussia
Cottbus	Lordship	n/a	n/a	1199: Lords of Cottbus first mentioned 1445: Sold to Brandenburg 1807: To Saxony 1813: To Prussia
Croÿ (Croy)	Lordship 1677: Principality 1767: Duchy	Low Rhen	PR	12th Century: First mentioned 1590: Acquired Solre; fief of the Spanish Netherlands 1677: HRE Prince 1767: Duke in France 1803: Acquired Dülmen 1806: To Arenberg 1810: To France 1815: To Prussia
Cuijk (Cuyk)	Lordship	n/a	n/a	11th Century: First mentioned 1132: Side line Cuijk-Arnsberg founded 1400: Sold to Guelders 1492: Extinct
Cuijk-Arnsberg	Lordship	n/a	n/a	1132: Established when Godfrey I of Cuijk acquired Arnsberg by marriage 1166: Made fief of Cologne 1237: Side line Rietberg founded 1352: Ceded Fredeburg to Marck 1368: Sold to Cologne 1371: Extinct