This is a list of states in the Holy Roman Empire beginning with the letter T. 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 Tanne Lordship n/a n/a 1162: First mentioned1210: Inherited and renamed to Waldburg Tarasp (Trasp) Barony Aust PR 1040: First mentioned1160: Part to Chur1177: Extinct; to Churbef. 1200: Sold to Reichenberg1239: Sold to the Tyrol1273: To Matsch as fief of the Tyrol1464: Sold to Austria1687: To Dietrichstein1684: Acquired Tarasp1802: Count Leslie of Balquhain1803: Tarasp to Switzerland; compensated with Neuravensburg1806: Neuravensburg to Württemberg Teck Duchy n/a n/a 1152: Partitioned from Zähringen 1215: Sold territory in Ortenau and Breisgau to Swabia1283: Partitioned into Teck-Owen and Teck-Oberndorf1363: Reunited by Teck-Owen1365: Acquired Mindelheim1374: Horb and Oberndorf sold to Hohenberg-Rottenburg1381: Teck sold to Württemberg1439: Extinct; to Rechberg-Babenhausen Teck-Oberndorf Duchy n/a n/a 1283: Partitioned from Teck1363: Extinct; to Teck-Owen Teck-Owen Duchy n/a n/a 1283: Partitioned from Teck1363: Renamed to Teck Tecklenburg County Low Rhen WE 1100: First mentioned1189: Acquired Ibbenbüren1262: Extinct; to Bentheim1279: Partitioned from Bentheim1328: Extinct; to Schwerin-Wittenburg1356: Partitioned from Schwerin-Wittenburg1365: Acquired Rheda1385: Acquired Iburg1400: Lost Cloppenburg, Friesoythe and Bevergern to Münster1493: Partitioned into itself and Tecklenburg-Lingen1557: Extinct; to Bentheim-Steinfurt1606: To Bentheim-Tecklenburg-Rheda1696: To Solms-Braunfels1707: Sold to Prussia1808: To Berg1811: To France1813: To Prussia Tecklenburg-Lingen County Low Rhen WE 1493: Partitioned from Tecklenburg1541: Extinct; to Tecklenburg1547: To Egmond Tengen aka: Auersperg Lordship1664: County - - 13th Century: Partitioned into Tengen-Hinterburg and Tengen-Vorderstadt1275: Renamed from Tengen-Vorderstadt1422: Acquired Nellenburg1465: Sold Nellenburg to Austria1522: Sold to Austria1651: To Rost1663: To Auersperg1664: HRE County1806: To Baden Tengen-Hinterburg Lordship n/a n/a 13th Century: Partitioned from Tengen1275: Sold to Klingenberg1305: Sold to Austria1387: To Klingenberg1462: To Bodman and Jungingen1488: To Mainau Commandry of the Teutonic Order1805: To Baden Tengen-Vorderstadt Lordship n/a n/a 13th Century: Partitioned from Tengen1275: Renamed to Tengen Tettnang and Argen County Swab SC 1780: Created from Montfort after purchase by Austria1805: To Bavaria1810: To Württemberg Thannhausen Lordship1665: HRE County Swab SC 1109: First mentioned; ministerialis of Hohenstaufen1268: Imperial immediacy1360: To Margraviate of Burgau and Augsburg1560: To Baumgartner1665: Sold to Sinzendorf-Fridau-Neuburg1705: Sold to Stadion Alsatian Line1741: To Stadion-Thannhausen1806: To Bavaria Thorn Abbacy Low Rhen RP 992: Formed1292: Imperial immediacy18th Century: HRE Princess of the Empire1794: To France1815: To the Netherlands Thüngen Lordship n/a n/a 1100: First mentioned1406: Imperial immediacy1806: To Würzburg1814: To Bavaria Thurgau Landgraviate n/a n/a 1218: To Kyburg1264: To Habsburg-Laufenburg1274: To Kyburg1379: To Austria1460: Made subject of the Swiss Confederation1648: Left the Empire as part of Switzerland Thuringia County Palatine n/a n/a 1291: Northern half of the County Palatine of Saxony sold to Brandenburg; the southern part retained by Meissen known henceforth as the County Palatine of Thuringia1350: Imperial confirmation of title Thuringia Princely Landgraviate n/a n/a 1131: Louis I appointed Landgrave of Thuringia1180: Acquired the County Palatine of Saxony1247: Extinct; divided between Hesse and Meissen Thurn and Taxis (Thurn und Taxis) 1512: Lordship1608: Barony1624: Count1695: Principality El Rhin WE / PR 1512: Granted noble status in the Empire1608: HRE Baron1615: Appointed hereditary Imperial Postmaster General1624: HRE Count1681: Spanish Prince1695: HRE Prince1723: Acquired Eglingen1754: Bench of Secular Princes1785: Acquired Scheer and Friedberg1803: Acquired Buchau, Marchtal, Neresheim and Ostrach1806: To Bavaria, Hohenzollern-Sigmaringen and Württemberg Thurnau Lordship n/a n/a 1205: Förtsch von Thurnau first mentioned; ministerialis of Andechs-Meran1248: Imperial immediacy1288: Half sold to Bamberg1292: Other half made fief of Bamberg1564: Extinct; to condominium of Künsberg and Giech as fief of Bamberg1699: Imperial immediacy1731: Künsberg share sold to Giech1796: To Prussia1807: To France1810: To Bavaria Toggenburg Barony1209: County n/a n/a 1044: First mentioned1209: HRE County1226: Lost Wil and Alt-Toggenburg to St Gall's Abbey1333: Acquired Vaz1384: Acquired Kyburg1394: Partitioned into Toggenburg Elder Line and Toggenburg Younger Line1468: Sold to Abbacy of St Gall Toggenburg Elder Line County n/a n/a 1394: Partitioned from Toggenburg1400: Extinct; succession dispute between Toggenburg Younger Line and William, Count of Montfort1436: Most to Toggenburg Younger Line; parts to Montfort-Toggenburg Toggenburg Younger Line County n/a n/a 1394: Partitioned from Toggenburg1414: Acquired Wartau1417: Acquired Feldkirch1424: Acquired Rheintal, Rheineck, Dornbirn and the Inner Bregenzerwald1436: Extinct in male line1437: Divided between numerous states Toul Bishopric Upp Rhen EC 365: Formed1048: Imperial immediacy1552: To France 1648: Annexation to France formally recognised Toul Imperial City Upp Rhen RH 13th Century? Free Imperial City1552: To France 1648: Annexation to France formally recognised TrauttmansdorffPrince of Trauttmansdorff-Weinberg and Neustadt am Kocher, Princely Count of Umpfenbach, Baron of Gleichenberg, Nogau, Burgau and Totzenbach, etc. Lordship1598: Barony1623: County1805: Principality Swab SW 1308: First mentioned1598: HRE Baron1623: HRE Count1631: Personalist in the Swabian Circle1635: Acquired Weinsberg1648: Returned Weinsberg to Württemberg1778: Personalist in the Bench of Swabian Counts1805: HRE Prince Trent (Trento / Trient) Bishopric Aust EC 301: First mentioned1004: Acquired territory1027: HRE Prince of the Empire1419: Subject of the Emperor 1519: Acquired Castelbarco and Rovereto1578: Imperial immediacy1803: To Austria as part of Tyrol1805: To Bavaria1810: To Italy1813: To Austria1918: To Italy Trieste Imperial City Aust n/a 1285: Free Imperial City1382: To Austria1809: To France1813: To Austria Trier (Treves) Bishopric 811: Archbishopric1356: Electorate El Rhin EL 250: First mentioned771: Autonomous 811: Raised to Archdiocese898: Imperial immediacy1356: HRE Prince-Elector1795: Left-bank territory to France1803: Right-bank territory to Nassau-Weilburg Tübingen County1146: County Palatine n/a n/a 1078: First mentioned, in the Nagoldgau1146: HRE Count Palatine1180: Partitioned into itself and Montfort 1219: Partitioned into Tübingen-Tübingen and Tübingen-Asperg Tübingen-Asperg County Palatine n/a n/a 1219: Partitioned from Tübingen1229: Acquired Giessen1252: Partitioned into Tübingen-Böblingen and itself1264: Sold Giessen to Hesse1308: Sold Asperg to Württemberg1340: Sold Beilstein to Württemberg1357: Extinct Tübingen-Böblingen County Palatine n/a n/a 1252: Partitioned from Tübingen-Asperg1294: Acquired Tübingen1342: Sold Tübingen to Württemberg1357: Sold Böblingen to Württemberg; renamed to Tübingen-Lichteneck Tübingen-Herrenberg County Palatine n/a n/a 1251: Partitioned from Tübingen-Tübingen1289: Sold Laichingen to Bebenhausen Abbey1294: Sold Tübingen to Tübingen-Böblingen1382: Sold to Württemberg1391: Extinct Tübingen-Horb County Palatine n/a n/a 1251: Partitioned from Tübingen-Tübingen1294: Extinct in male line1306: To Hohenberg-Nagold by marriage Tübingen-Lichteneck County Palatine?: County n/a n/a 1357: Renamed from Tübingen-Böblingen?: HRE Count1634: Extinct in male line1664: Sold to Austria1666: Extinct Tübingen-Tübingen County Palatine n/a n/a 1219: Partitioned from Tübingen 1251: Partitioned into Tübingen-Horb and Tübingen-Herrenberg Turckheim (Turkheim) Imperial City Upp Rhen RC 1312: Free Imperial City1648: To France Tyrol (Tirol) County Aust n/a 10th century? 1140?1363: To Austria1493: Princely County1805: To Bavaria1814: To Austria1918: Southern Part to Italy

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