List of states in the Holy Roman Empire (B)

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

Name	Type	Circle	Bench	Formed	Notes
Baar	Landgraviate	Swab		763: Gau county	1070: To 1282: Sold to Austria 1283: To Fürstenberg 1806: To Baden
Babenhausen	Lordship 1803: Principality	n/a	n/a	12th Century: To as fief of	1378: Sold to 1432: To 1507: To 1537: To 1539: Sold to Fugger 1560: To 1598: To 1803: HRE Prince 1806: To Bavaria
Baden	Margraviate 1803: Electorate 1806: Grand Duchy	Swab	PR	c. 960	1190: Partitioned into and 1771: Reunited by Baden-Durlach 1803: HRE Elector 1806: Joined Confederation of the Rhine as a Grand Duchy
	Margraviate	Swab	PR	1190: Partitioned from Baden	1291: Partitioned into itself, and 1335: Extinct; divided between and 1348: Partitioned from 1515: Partitioned into itself, Baden-Durlach and 1536: Partitioned into itself and Baden-Rodemachern 1588: Extinct; to Baden-Rodemachern 1622: Partitioned from Baden-Durlach 1771: Extinct; to Baden-Durlach
Baden-Durlach	Margraviate	Swab	PR	1515: Partitioned from	1577: Partitioned into itself, and 1771: Renamed to Baden
	Margraviate	n/a	n/a	1291: Partitioned from	1353: Extinct; to
(Baden-Hochberg)	Margraviate	Swab	PR	1190: Partitioned from Baden	1290: Partitioned into itself and 1415: Extinct; to 1482: Partitioned from 1488: Extinct; to 1577: Partitioned from Baden-Durlach 1591: Extinct; to Baden-Durlach
	Margraviate	n/a	n/a	1291: Partitioned from	1315: Partitioned into itself and 1361: Extinct; to
Baden-Rodemachern	Margraviate	n/a	n/a	1537: Partitioned from as fief of Luxembourg	1575: Partitioned into itself and 1596: Extinct; to Baden-Durlach 1622: Partitioned from Baden-Durlach 1666: Extinct; to
	Margraviate	n/a	n/a	1575: Partitioned from Baden-Rodemachern	1620: Extinct; to Baden-Durlach
Baden-Sausenberg	Margraviate	Swab	PR	1290: Partitioned from	1503: Extinct; to 1577: Partitioned from Baden-Durlach 1604: Extinct; to Baden-Durlach
	Margraviate	Upp Rhen	PR	1515: Partitioned from	1533: Extinct; to
Badenweiler	Lordship	n/a	n/a	1028: First mentioned, property of the Zähringen	1147: To Saxony 11??: To Swabia 1268: To Freiburg 1272: Partitioned from Freiburg 1303: Extinct; to Strasberg 1385: To Freiburg 1444: To Baden-Sausenberg 1503: Inherited by Baden-Baden
Baindt	Abbacy	Swab	SP	1240: Abbey established	1376: Imperial immediacy; HRE Princess 1802: Secularised to Leyden 1803: To 1806: To Württemberg
Bamberg	Bishopric	Franc	EC	1007: Diocese established	c. 1242: HRE Prince of the Empire 1802: To Bavaria
Bar (Bar-le-Duc; Barrois; Mass; Meuse)	County 1354: Duchy	Upp Rhen	PR	959: To Lorraine (Upper Lotharingia)	1033: Partitioned from Lorraine 1301: Western half made fief of France 1354: Duke in France; HRE Margrave 1506: In personal union with Lorraine 1634-1659, 1670–1697, 1702–1714: To France 1766: To France permanently
Barby	Lordship 1497: County	Upp Sax	WT	974: To Quedlinburg Abbey	12th Century: To 1226: Partitioned from 1497: HRE Count 1565: Partitioned into and 1651: Reunited by 1659: Extinct; to Saxony
	County	Upp Sax	WT	1565: Partitioned from Barby	1651: Extinct; to
	County	Upp Sax	WT	1565: Partitioned from Barby	1651: Renamed to Barby
Barmstedt (Barmstede)	Lordship	n/a	n/a	1149: First mentioned	c. 1375: Extinct; to 1640: To Schleswig-Holstein-Gottorp 1649: Sold to Rantzau 1721: To Denmark
Basel	Bishopric	Upp Rhen	EC	c. 740: Diocese established	999: Acquired immediate territory 1032: HRE Prince of the Empire 1579: Allied to the Swiss Confederation 1792: Left-bank territories annexed to the Rauracian Republic 1803: Right-bank territories secularised and ceded to Baden
Basel	Imperial City	Upp Rhen	RH	1392: Acquired semi-independence; Free Imperial City	1501: Joined the Swiss Confederation 1648: Left the Empire as part of Switzerland
Bassenheim	Lordship 1729: Barony			Originally to Isenburg-Braunsberg as fief of Cologne	13th Century: To as fief of Cologne 1337: To Waldbott von Bassenheim as fief of Cologne 1729: Imperial immediacy; HRE Baron 1794: To France 1815: To Prussia
	County	n/a	n/a	1101: First mentioned	1238: Partitioned into itself and Wittgenstein 1291: Half sold to Mainz 1296: Remainder sold to Mainz 1310: Extinct 1464: Sold to Hesse
(Baumberg; Naumburg)	Raugraviate	n/a	n/a	c. 1148: Partitioned from the Wildgraviate	1172: Partitioned into and itself 1253: Partitioned into and Altenbaumburg
Bavaria (Bayern)	Duchy 1623: Electorate 1806: Kingdom	Bav	EL	c. 520: First mentioned	1185: Acquired the 1214: Acquired the County Palatine of the Rhine 1255: Partitioned into Upper and Lower Bavaria 1340: Reunited by Upper Bavaria 1349: Partitioned into Brandenburg, Upper Bavaria and Lower Bavaria 1505: Reunited by Bavaria-Munich 1545: Bavaria reunited after many divisions 1623: HRE Elector; Acquired Upper Palatinate 1646: Side line founded 1806: Joined the Confederation of the Rhine as Kingdom
Bavaria-Dachau	Duchy	Bav	PR	1467: Partitioned from Bavaria-Munich	1501: Extinct; to Bavaria-Munich
	Duchy	Bav	PR	1650: Created when Albert VI of acquired Haag	1666: Extinct; to Bavaria
Bavaria-Ingolstadt	Duchy	n/a	n/a	1392: Partitioned from Bavaria-Landshut	1445: Extinct; to Bavaria-Landshut
Bavaria-Landshut	Duchy	Bav	PR	1353: Partitioned from Lower Bavaria	1392: Partitioned into Bavaria-Ingolstadt, Bavaria-Landshut and Bavaria-Munich 1503: Extinct; succession dispute between Bavaria-Munich and Palatinate-Neuburg 1505: Annexed to Bavaria-Munich
	Duchy	Bav	PR	1646: Created when Albert VI of Bavaria acquired Leuchtenberg	1650: Exchanged with Maximilian to form 1680: Extinct; to Bavaria
Bavaria-Munich	Duchy	n/a	n/a	1392: Partitioned from Bavaria-Landshut	1467: Partitioned into Bavaria-Munich and Bavaria-Dachau 1505: Became D. of Bavaria
Bavaria-Straubing	Duchy	Bav	PR	1353: Partitioned from Lower Bavaria	1425: Extinct; divided between Bavaria-Ingolstadt, Bavaria-Landshut and Bavaria-Munich
Bayreuth See: Brandenburg-Bayreuth	Margraviate
Beckenried	Abbacy	Swab	SP		1521: Identified in the Reichsmatrikel 1521 as an Imperial Abbey, but the house has not been identified. Assumed to be at Beckenried, Nidwalden
Beichlingen	Lordship	Upp Sax	WE	1014: First mentioned	1275: Partitioned into and 1360: Reunited by 1519: Sold Beichlingen to ; remaining territories as fief to Saxony 1567: Extinct
	Lordship	n/a	n/a	1275: Partitioned from Beichlingen	1320: Partitioned into itself and 1330: Sold Heringen to 1360: Renamed to Beichlingen
	Lordship	n/a	n/a	1275: Partitioned from Beichlingen	1360: Extinct
	Lordship	n/a	n/a	1275: Partitioned from	1345: Extinct; to
Beilstein	Lordship 1679: County	El Rhen	WE	1268: First mentioned; fief of Cologne	1361: Extinct 1363: To as fief of Cologne 1637: To Metternich 1679: HRE Count 1794: To France 1815: To Prussia
Bentheim Count of Bentheim, Tecklenburg, Steinfurt & Limburg, Lord of Rheda, Wevelinghoven, Hoya, Alpen, Helpenstein, Baron of Lennep, Hereditary Advocate of Cologne	Lordship 1530: County	Low Rhen	WE	1050: First mentioned	1115: To 1146: Made fief of Utrecht 1182: Imperial immediacy 1263: Acquired Tecklenburg 1279: Partitioned into Tecklenburg and Bentheim 1421: To who assumed the name Bentheim 1454: Partitioned into Bentheim-Steinfurt and Bentheim-Bentheim 1530: Reunited by Bentheim-Steinfurt 1606: Partitioned into Bentheim-Tecklenburg-Rheda, Bentheim-Steinfurt, and appanages Bentheim-Limburg and Bentheim-Alpen
	County	Low Rhin	WE	1804: Renamed from Bentheim-Steinfurt	1806: Bentheim to Berg, Steinfurt to Prussia
Bentheim-Alpen	County	n/a	n/a	1606: Appanage created in Bentheim-Steinfurt and	1629: Extinct; apanage abolished
Bentheim-Bentheim	Lordship 1486: HRE Count	Low Rhin	WE	1454: Partitioned from Bentheim	1486: HRE Count 1530: Extinct; to Bentheim-Steinfurt 1643: Partitioned from Bentheim-Steinfurt 1753: Mortgaged to Hanover 1803: To Bentheim-Steinfurt 1804: Extinct
Bentheim-Limburg	County	n/a	n/a	1606: Appanage created in Bentheim-Steinfurt and	1618: Extinct; to Bentheim-Alpen
Bentheim-Steinfurt	Lordship 1486: County	Low Rhen	WE	1454: Partitioned from Bentheim	1486: County 1530: Renamed to Bentheim 1606: Partitioned from Bentheim 1643: Partitioned into itself and Bentheim-Bentheim 1804: Renamed to
Bentheim-Tecklenburg	Lordship	n/a	n/a		Name sometimes given to the County of Tecklenburg under the rule of the Bentheim 1277 - 1328
Bentheim-Tecklenburg-Rheda	County	Low Rhen	WE	1606:	1696: Tecklenburg to Solms-Braunfels 1807: To Berg
Bentinck HRE Count of Bentinck and Aldenburg, Lord of the free Lordship of Knyphausen, Noble Lord of Varel	Lordship 1732: County	n/a	n/a	1343: First mentioned	1732: HRE Count 1738: Acquired Knyphausen and Varel 1810: To France 1814: To Oldenburg
Berchtesgaden Prince, Provost and Lord of Berchtesgaden	Abbey 1491: Provostry	Bav	EC	1108: Abbey established	1194: Imperial immediacy 1380: HRE Prince 1491: Converted to a Provostry 1559: Raised to Bench of Spiritual Princes 1803: To Salzburg 1805: To Austria 1809: To Bavaria
Berg	County 1380: Duchy	Low Rhen	PR	1077: First mentioned; branch of the Ezzonen	1160: Partitioned into itself and Berg-Altena 1218: To Limburg 1247: Partitioned from Limburg 1380: Duchy 1423: To Jülich-Berg 1521: To Jülich-Cleves-Berg 1609: War of the Jülich Succession between Brandenburg and Palatinate-Neuburg 1614: To Palatinate-Neuburg 1685: To the Palatinate 1777: To Bavaria 1806: To Berg 1815: To Prussia
Berg-Altena	County	n/a	n/a	1161: Partitioned from Berg	1180: Partitioned into and
Bern (Berne)	Imperial City	n/a	n/a	1218: Free Imperial City	1353: Joined the Swiss Confederation 1415: Acquired Aargau 1536: Acquired Vaud 1648: Left the Empire as part of Switzerland
Besançon	Archbishopric	Upp Rhen	EC	4th Century: Diocese established	1184: Acquired Besançon; imperial immediacy 1288: HRE Prince of the Empire 1493: Lost Besançon; retained seat in the Imperial Diet until 1803 1678: To France
Besançon	Imperial City	Burg	RH	1290: Free Imperial City; semi-independent from the Archbishopric of Besançon	1493: Acquired complete independence 1648: To the Free County of Burgundy 1678: To France
Biberach an der Riß	Imperial City	Swab	SW	1281/2: Free Imperial City	1803: To Baden 1806: To Württemberg
Biberbach	Lordship	n/a	n/a	1279: Partitioned from Pappenheim	1514: Sold to Fugger 1624: Extinct
Billung March (Billunger Mark)	Margraviate	n/a	n/a	928: March established	983: Conquered by the Obotrites
Bilstein in Franconia	County	n/a	n/a	c. 1130: Lordship founded by descendants of the Margraves of Zeitz	1301: Sold to Hesse 1306: Extinct
Blankenburg	Abbacy	Low Rhen	RP		1521: Identified in the Reichsmatrikel 1521 as an Imperial Abbey, but the house has not been identified
Blankenburg	County (1123) 1707: Principality of Imperial immediacy	Low Sax	WE	1123: First mentioned; fief of Saxony	c. 1162: Partitioned into itself and Regenstein 1180: Fief of Halberstadt 1202: Fief of Brunswick and Lüneburg 1344: Fief of Halberstadt 1368: Extinct; to 1599: To Halberstadt 1624: To 1629: To 1631: To Brunswick-Wolfenbüttel 1642: To as fief of Halberstadt 1671: To Brunswick-Wolfenbüttel as fief of Halberstadt 1690: To as fief of Halberstadt 1707: Imperial immediacy; Bench of Counts of Westphalia 1731: In personal union with Brunswick-Wolfenbüttel 1805: Annexed to Brunswick-Wolfenbüttel 1807: To Westphalia 1814: To Brunswick
Blankenheim	Lordship 1380: County	Low Rhen	WE	1149: Partitioned from Schleiden	1406: Extinct; to Heinsberg by marriage 1469: To Manderscheid 1699: Imperial immediacy 1780: To Sternberg-Manderscheid 1794: To France 1815: To Prussia
	County	n/a	n/a		1125: Partitioned into itself and Saarwerden 1237: Extinct; to Salm 1284: To Finstingen 1337: To Trier 1660: To 1705: To 1793: To France 1814: To Bavaria
Blumenegg	Lordship 1396: County	n/a	n/a	1258: First mentioned; fief of Werdenberg-Sargans	1328: To 1391: To 1510: To 1613: To Weingarten Abbey 1803: To Nassau-Orange-Fulda 1804: Sold to Austria
	County	n/a	n/a	1231: Partitioned from Stolberg	1346: Extinct; to
Bohemia	Duchy 1198: Kingdom 1356: Elector	None	EL	895: Joined the Empire as a Duchy	1029: Acquired Moravia 1198: HRE King 1356: HRE Elector
Bonndorf	County	Swab	SC	Originally a property of , later of Küssaburg	1250: To 1582: To Pappenheim 1609: To St Blaise's Abbey 1803: To Knights of St. John 1805: To Württemberg 1806: To Baden
Boos	Lordship	n/a	n/a	10th century: Originally a fief of Kempten Abbey held by the Lords of Boos	1176: To Ottobeuren Abbey 1551: Sold to Fugger 1693: To 1777: To 1806: To Bavaria
Bopfingen	Imperial City	Swab	SW	1241: Free Imperial City	1802: To Bavaria 1810: To Württemberg
Bouillon	County 1456: Duchy	n/a	n/a	959: First mentioned	1095: Sold to the Prince-Bishopric of Liège 1456: Prince-Bishop of Liège assumed the title "Duke of Bouillon" 1482: To La Marck 1521: To the Prince-Bishopric of Liège 1552: To France, who bestowed it upon La Marck 1559: To the Prince-Bishopric of Liège 1676: To France 1678: Bestowed upon La Tour d'Auvergne as protectorate 1794: To France 1815: To Luxembourg 1830: To Belgium
Brabant	Landgraviate 1183: Duchy Claimed status of archduchy	Burg	PR	1085: Partitioned from Lower Lotharingia; given to Henry III of Louvain and Brussels	1183: HRE Duke 1288: Acquired Limburg 1430: To the Duchy of Burgundy 1477: To the Burgundian Netherlands 1516: To the Spanish Netherlands 1609: Northern Brabant to the Netherlands 1795: Southern Brabant to France 1815: All to the Netherlands 1830: To Belgium
	Lordship	n/a	n/a	1213: First mentioned	c. 1270: Part to Asseburg, another to 1290: Part sold to the Bishopric of Paderborn 1316: share sold to Paderborn 1350: share sold to the City of Brakel 1385: Brakel family extinct 16th Century: Asseburg share to Paderborn 1803: All to Prussia
Brakel	Imperial City	Low Rhen	RH	Originally to the	1290: Part to the Bishopric of Paderborn 1350: Acquired semi-independence 1803: To Prussia
Brandenburg	Margraviate 1356: Electorate	Upp Sax	EL	1157: Originally created as the "Northern March"	1266: Partitioned into and ; margravial title shared 1317: Reunited by 1356: HRE Elector 1415: Sold to Nuremberg 1440: Partitioned into Brandenburg-Kulmbach, itself and Brandenburg-Ansbach 1470: Acquired by Brandenburg-Ansbach 1486: Partitioned into itself, Brandenburg-Ansbach and Brandenburg-Kulmbach 1618: Acquired Prussia by marriage 1701: Also made King in Prussia
Brandenburg	Bishopric	Upp Sax	EC	949: Diocese established	983: Wendish uprising; diocese lost though bishops continued to be appointed 1165: Bishopric recreated 1569: To the Electorate of Brandenburg
Brandenburg-Ansbach	Margraviate	Franc	PR	1440: Partitioned from Brandenburg	1486: Partitioned into itself and Brandenburg-Kulmbach 1515: Partitioned into Brandenburg-Kulmbach and itself 1603: Partitioned into itself and Brandenburg-Bayreuth 1791: Sold to Prussia
Brandenburg-Bayreuth	Margraviate	Franc	PR	1603: Partitioned from Brandenburg-Ansbach	1655: Appanage Brandenburg-Kulmbach created 1726: Inherited by Brandenburg-Kulmbach 1769: Extinct; to Brandenburg-Ansbach
Brandenburg-Kulmbach	Margraviate	Franc	PR	1440: Partitioned from Brandenburg	1457: To Brandenburg-Ansbach 1464: Extinct 1486: Partitioned from Brandenburg 1495: Extinct; to Brandenburg-Ansbach 1515: Partitioned from Brandenburg-Ansbach 1557: Extinct; to Brandenburg-Ansbach 1655: Appanage created in Brandenburg-Bayreuth 1726: Inherited Brandenburg-Bayreuth; appanage abolished
Brandenburg-Küstrin	Margraviate	Upp Sax	PR	1535: Partitioned from Brandenburg	1571: Extinct; to Brandenburg
	Margraviate	n/a	n/a	1266: Partitioned from Brandenburg	1317: Extinct; to
	Margraviate	n/a	n/a	1266: Partitioned from Brandenburg	1317: Renamed to Brandenburg
	Barony	Swab	SC	12th century: First mentioned	1394: Purchased many territories from Werdenberg 1437: Purchased Maienfeld 1509: Sold Maienfeld to the Grey Leagues 1510: Sold remaining territories to
Brauneck	Lordship	n/a	n/a	1230: Partitioned from Hohenlohe	1249: Partitioned into and
	Lordship	n/a	n/a	1249: Partitioned from Brauneck	1429: Extinct; to of the 1448: Sold to Brandenburg-Ansbach 1791: To Prussia 1806: To Bavaria 1810: To Württemberg
	Lordship	n/a	n/a	1249: Partitioned from Brauneck	1268: Partitioned into itself and 1366: Sold to 1412: To Castell and 1415: To as fief of the Bishopric of Würzburg 1632: To the Bishopric of Würzburg 1636: To Hatzfeld 1794: To the Bishopric of Würzburg 1803: To 1806: To Württemberg
	Lordship	n/a	n/a	1268: Partitioned from	1320: Made fief of the Bishopric of Würzburg 1340: Extinct 1431: To the Teutonic Order 1809: To Württemberg
Braunschweig See: Brunswick	Duchy
Breda	Lordship 1403: Barony	Burg	WE	1080: First mentioned; imperial immediate fief of the Empire	1327: Sold to Brabant 1350: Sold to Wassenaar 1403: HRE Baron; to Nassau-Dillenburg by marriage 1544: To Orange-Nassau 1795: To France 1815: To the Netherlands
Bregenz	County	Swab	SW	926: First mentioned	1171: To Tübingen by marriage 1180: To Montfort 1258: To 1338: To 1354: To 1379: To Elder and Younger lines of Montfort-Tettnang-Bregenz 1451: Elder line sold to Austria 1523: Younger line sold to Austria 1805: To Bavaria 1814: To Austria
Brehna	County	n/a	n/a	1034: Partitioned from the County of Eilenberg	1106: Extinct; to Wettin 1157: Partitioned from Wettin 1290: Extinct; to Saxe-Wittenberg 1356: To the Electorate of Saxony 1658: To Saxe-Merseburg 1738: To the Electorate of Saxony 1815: To Prussia
Breisgau (Breisachgau)	County Landgraviate	n/a	n/a	771: Originally a gau county	1077: To Zähringen 1218: To 1306: To 1318: To Freiburg 1368: To Austria 1395: To 1398: To Austria; made part of Further Austria 1801: To 1805: To Baden
	Duchy	Aust	PR	1801: Compensation for the former Duke of Modena	1803: Acquired the Ortenau 1805: Divided between Baden and Württemberg
(Breitenegg)	HRE Lordship 1635: County	Bav	SC	10th century: To	By 1129: To Breitenbrunn 1229: To 1285: To 1302: To 1433: To 1463: To 1465: To Pappenheim 1473: To 1534: 1/2 to by marriage 1583: Extinct; other half to and 1592: Welden half sold to Palatinate-Neuburg 1595: Haslangg and Rinderbach half sold to Bavaria 1611: Palatinate-Neuburg half sold to Bavaria 1624: To Tilly as fief of Bavaria 1631: To Tilly with sovereign rights 1648: Joined Bavarian Circle 1654: Seat in the Imperial Diet 1744: Extinct; to 1792: Sold to Bavaria
Bremen	Archbishopric	Low Sax	EC	787: Diocese established	805: Formally constituted 848: United with ; Archbishopric 1180: HRE Prince of the Empire 1648: To Sweden as the Duchy of Bremen, ruled as Bremen-Verden, in personal union with the Principality of Verden
Bremen	Imperial City	Low Sax	RH	1186: Obtained autonomy within the Bremen	1358: Joined Hanseatic League 1366: De facto independent 1381: Acquired Bederkesa 1653: Bederkesa to Sweden, attached Bremen-Verden 1654: Free Imperial City 1810: To France 1813: Free City
Bremen-Verden	Duchy of Bremen; Principality of Verden	Low Sax	PR	1648: Bremen and Verden secularised by Sweden, de facto in personal union	1712: To Denmark 1715: Sold to Hanover 1807: To Westphalia 1810: To France 1813: To Hanover
Bretzenheim HRE Prince of Bretzenheim and Count of Lindau	Lordship 1664: Barony 1774: County 1790: Principality	Upp Rhen	SC	10th century: Fief of the Archbishopric of Cologne	Fief held by the Palatinate Fief held by Falkenstein 1642: To Velen 1664: HRE Baron 1733: Extinct; to Cologne 1734: To Virmont 1744: Extinct; to Cologne 1747: To 1772: To Heideck 1790: Imperial immediacy 1795: To France 1803: Heideck granted in compensation 1815: To Prussia
Breuberg	Lordship 1323: County	Upp Rhen	RH	1178: First mentioned; branch of Lützelbach family	1239: Acquired part of Büdingen 1323: Extinct; divided between Wertheim, and 1497: All to Wertheim 1556: To and 1574: Stolberg share to Löwenstein-Wertheim 1806: To the Grand Duchy of Hesse (Hesse-Darmstadt)
Brixen	Bishopric	Aust	EC	580: First mentioned	1027: Acquired the 1091: Acquired the Puster Valley 1179: HRE Prince of the Empire 1803: To Austria; attached to the Tyrol 1805: To Bavaria 1814: To Austria 1918: To Italy
Broich	Lordship	n/a	n/a	1093: 1st mentioned	11th century: Made fief of Berg 13th century: Asserted imperial immediacy 1372: Extinct; to Limburg-Styrum 1376: Made fief of Berg 1439: Fief to Limburg-Broich 1505: Fief to 1682: Fief to Leiningen-Dagsburg
Bruchhausen	County	n/a	n/a	1199: Partitioned from Wildeshausen	1234: Partitioned into and
Bruchsal and Odenheim	Abbacy 1503: Provostry	Upp Rhen	RP	1110-8: Established at Odenheim	1161: Imperial immediacy 1496: HRE Lord 1503: Abbey converted to secular Provostry 1507: Relocated to Bruchsal 1803: To Baden
	Abbacy		SP		1521: Identified in the Reichsmatrikel 1521 as an Imperial Abbey, identified as in Carinthia
Brunswick and Lüneburg	Duchy	n/a	n/a	1235: Descendants of Henry the Lion, Duke of Saxony confirmed with territory around Brunswick and Lüneburg	1269: Partitioned into Brunswick-Wolfenbüttel and Lüneburg
Brunswick-Calenberg	Duchy	Low Sax	PR	1432: Partitioned from Brunswick-Wolfenbüttel	1463: Inherited Brunswick-Göttingen; renamed to Brunswick-Calenberg-Göttingen 1634: Partitioned from Brunswick-Wolfenbüttel 1692: Made Electorate of Hanover
Brunswick-Calenberg-Göttingen	Duchy	Low Sax	PR	1463: Renamed from Brunswick-Calenberg	1503: Partitioned into Brunswick-Wolfenbüttel and itself 1584: Extinct; to Brunswick-Wolfenbüttel
	Duchy	n/a	n/a	1569: Appanage created in Brunswick-Lüneburg	1598: Appanage created 1636: Extinct; to Brunswick-Wolfenbüttel
Brunswick-Göttingen	Duchy	n/a	n/a	1291: Partitioned from Brunswick-Wolfenbüttel	1344: Partitioned into Brunswick-Wolfenbüttel and itself 1463: Extinct; to Brunswick-Calenberg
Brunswick-Grubenhagen	Duchy	Low Sax	PR	1291: Partitioned from Brunswick-Wolfenbüttel	1361: Partitioned into and 1452: Reunited by Salzderhelden line 1479: Partitioned into and 1526: Reunited by Osterode line 1596: Extinct; to Brunswick-Wolfenbüttel
	Duchy	Low Sax	PR	1479: Partitioned from Brunswick-Grubenhagen	1526: Extinct; to
	Duchy	Low Sax	PR	1361: Partitioned from Brunswick-Grubenhagen	1452: Extinct; to 1479: Partitioned from Brunswick-Grubenhagen 1526: Renamed to Brunswick-Grubenhagen
	Duchy	n/a	n/a	1361: Partitioned from Brunswick-Grubenhagen	1452: Renamed to Brunswick-Grubenhagen
	Duchy	n/a	n/a	1598: Appanage created in	1634: Inherited Brunswick-Wolfenbüttel; appanage abolished
Brunswick-Lüneburg	Duchy	Low Sax	PR	1388: Formed after defeating the Electorate of Saxony in the War of the Lüneburg Succession	1527: Partitioned into and itself 1539: Partitioned into itself and 1569: Appanage created 1705: Extinct; to Electorate of Hanover
	Duchy	Low Sax	PR	1539: Partitioned from Brunswick-Lüneburg	1642: Extinct; to Brunswick-Lüneburg
	Duchy	Low Sax	PR	1527: Partitioned from Brunswick-Lüneburg	1642: Extinct; divided between Brunswick-Celle and Brunswick-Wolfenbüttel
Brunswick-Wolfenbüttel	Duchy	Low Sax	PR	1269: Partitioned from Brunswick and Lüneburg	1291: Partitioned into Brunswick-Grubenhagen, Brunswick-Göttingen and itself 1292: Extinct; to Brunswick-Göttingen 1344: Partitioned from Brunswick-Göttingen 1432: Partitioned into Brunswick-Calenberg and itself 1482: Extinct; to Brunswick-Calenberg-Göttingen 1503: Partitioned from Brunswick-Calenberg-Göttingen 1634: Partitioned into itself and Brunswick-Calenberg 1667: Appanages and created 1690: Partitioned into itself and 1806: Inherited by appanage 1814: Renamed to Duchy of Brunswick
	Duchy	n/a	n/a	1667: Appanage created in Brunswick-Wolfenbüttel	1735: Inherited Brunswick-Wolfenbüttel; appanage passed to Duke's younger brother 1809: Extinct; appanage abolished
	Duchy	Low Rhen	WE	1690: Partitioned from Brunswick-Wolfenbüttel	1731: Inherited and renamed to Brunswick-Wolfenbüttel
	Duchy	n/a	n/a	1667: Appanage created in Brunswick-Wolfenbüttel	1685: Inherited Brunswick-Wolfenbüttel; appanage abolished
	Duchy	n/a	n/a	1792: Appanage created for Frederick Augustus, husband of the late Duchess of	1806: Inherited Brunswick-Wolfenbüttel; appanage abolished
Buchau	Abbacy	Swab	SC	c. 770: Abbey established	1347: Imperial immediacy; HRE Princess of the Empire 1415: Converted to a secular nunnery 1625: Acquired Strassberg 1803: To Thurn und Taxis 1806: To Württemberg; Strassberg to Hohenzollern-Sigmaringen
Buchau	Imperial City	Swab	SW	c. 1250: Free Imperial City	1803: To Thurn und Taxis 1806: To Württemberg
Buchhorn (Friedrichshafen)	Imperial City	Swab	SW	1275: Free Imperial City	1803: To Württemberg
Burgau	Lordship 1212: Margraviate	n/a	n/a	1147: First mentioned	1212: HRE Margrave 1301: Extinct; to Austria 1304: Invested in sons of Albert I Later made part of Further Austria 1595: To Charles of Austria 1618: Extinct; to Austria 1805: To Bavaria
Burgundy (Franche-Comté)	County 1127: Free County 1190: Archcounty 1169: Also County Palatine	Burg	PR	982: County created	1127: HRE Free County 1190: HRE Archcount 1405: To the Duchy of Burgundy 1477: To France 1493: To the Burgundian Netherlands 1516: To the Spanish Netherlands 1678: To France
Burgundy	Duchy	n/a	n/a		Whilst not part of the empire, the Dukes of Burgundy possessed extensive territories within the Empire 1477: Extinct in male line; Burgundian Netherlands under Mary
Burgundy	Landgraviate	n/a	n/a	1218: Created after the extinction of Zähringen; to Buchegg	1252: First mentioned 1313: To 1406-8: To Bern
Burgundian Netherlands	Duchy	n/a	n/a	1477: Mary of Burgundy obtained the Imperial territories of the Duchy of Burgundy	1516: Inherited Spain; to the Spanish Netherlands 1714: Austrian Netherlands 1795: To France
(Burresheim)	Lordship	n/a	n/a	10th century	1157: Half to Cologne 1189: Other half to Trier, fief held by 1473: Schöneck half sold to 1477: Part of Cologne half sold to Breitbach 1659: All to Breitbach, who renamed to "" as fief of the Archbishoprics 1691: HRE Baron 1796: Extinct; to France though rights passed to
Burtscheid	Abbacy	Low Rhen	RP	997: Abbey established	1018: Obtained surrounding territory 1138: Imperial immediacy; HRE Prince of the Empire 1220: Converted to a nunnery 1794: To France 1802: Abbey dissolved 1815: To Prussia
Buxheim	Abbacy	n/a	SP	c. 1100: Charterhouse established	1548: Imperial immediacy 1802: To 1806: To Bavaria 1812: Charterhouse dissolved

References[]

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