List of states in the Holy Roman Empire (M)

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

Name Type Circle Bench Formed Notes
CoA Magdeburg Archbishopric.svg Magdeburg Archbishopric Low Sax EC 968 1180: Imperial immediacy
1680: Secularised as Duchy for Brandenburg
CoA Querfurt County.svg Magdeburg Burgraviate n/a n/a c. 1000: Enfieffed to Walbeck 1080: Enfeoffed to of Spanheim
1118: To Groitzsch
1136: Enfeoffed to Querfurt
1178: To
1269: To Saxe-Wittenberg
CoA Magdeburg Archbishopric.svg Magdeburg Duchy Low Sax PR 1680: Archbishopric of Magdeburg secularised as Duchy for Brandenburg 1807: Dissolved; west to Westphalia, east to Prussia
CoA Querfurt County.svg Burgraviate n/a n/a 1278: Younger branch of assumed the name Maidburg-Hardegg after inheriting Hardegg 1481: To Austria
1484: Extinct
CoA Teutonic Order.svg Mainau Commandry of the Teutonic Order Swab n/a 724: To Reichenau Abbey 1271: To the Teutonic Order
1730: Acquired Dettingen, and
1783: Acquired
1806: To Baden
CoA Mainz Archbishopric.svg Mainz Archbishopric
1356: HRE Prince-Elector 		El Rhin EL 4th Century 780: Archbishopric
1356: HRE Prince-Elector
1803: To the Archbishopric of Regensburg
CoA Mainz, Germany.svg Mainz Imperial City n/a n/a 1244: Free Imperial City 1462: To the Archbishopric of Mainz
Armoiries de Colpach 1.svg Malberg Lordship n/a n/a 1273: Acquired by Reifferscheid; to the Elder Line 1302: To Luxembourg
Armoiries d'Erpeldange.svg Manderscheid Lordship
1457: County 		n/a n/a 1133: First mentioned 1445: Acquired
1457: HRE Count
1469: Acquired Blankenheim
1488: Partitioned into , and
Armoiries d'Erpeldange.svg County Low Rhen WE 1530: Partitioned from 1780: Extinct in male line; to Sternberg-Manderscheid by marriage
Armoiries d'Erpeldange.svg County Low Rhen WE 1488: Partitioned from Manderscheid 1530: Partitioned into and
Armoiries d'Erpeldange.svg County Low Rhen WE 1530: Partitioned from 1697: Extinct; to
Armoiries d'Erpeldange.svg County Low Rhen WE 1488: Partitioned from Manderscheid 1742: Extinct; to
Armoiries d'Erpeldange.svg County Low Rhen WE 1488: Partitioned from Manderscheid 1545: Acquired Virneburg
1560: Partitioned into and
Armoiries d'Erpeldange.svg County Low Rhen WE 1560: Partitioned from 1583: Under Imperial ban
1593: Extinct; divided between and in succession dispute
Armoiries d'Erpeldange.svg County Low Rhen WE 1560: Partitioned from 1590: Extinct in male line; to by marriage
1639: To by marriage
CoA Mansfeld County.svg Mansfeld County n/a n/a c. 1050: First mentioned as a title of the gau counts in Hassegau 1112: Count of Mansfeld primary title
c. 1215: Partitioned into itself and Friedeberg
1229: Extinct; to
1246: assumed the name Mansfeld
1266: Partitioned into itself and Schraplau
1273: Partitioned into and
CoA Mansfeld County.svg County Upp Sax WT 1563: Partitioned from 1580: Mediatised; 3/5 to Saxony, 2/5 to Magdeburg
1615: Extinct; divided between , , and
CoA Mansfeld County.svg County Upp Sax WT 1563: Partitioned from 1580: Mediatised; 3/5 to Saxony, 2/5 to Magdeburg
1631: Extinct; divided between and
CoA Mansfeld County.svg
HRE Prince and Prince of Fondi, Count and Lord of Mansfeld, Noble Lord of Heldrungen, Seeburg and Schraplau, Lord of the Lordship of Dobrzisch, Neuhaus and Arnstein 		County Upp Sax WT 1563: Partitioned from 1580: Mediatised; 3/5 to Saxony, 2/5 to Magdeburg
1780: Extinct; Saxon portion to Saxony, Magdeburgian portion to Magdeburg. Mansfeld property in the Habsburg domain to Austria
1789: Austrian fiefs to Colloredo-Mansfeld
CoA Mansfeld County.svg County Upp Sax WT 1563: Partitioned from 1580: Mediatised; 3/5 to Saxony, 2/5 to Magdeburg
1710: Extinct; to
CoA Mansfeld County.svg County n/a n/a 1273: Partitioned from Mansfeld 1313: Extinct; to
CoA Mansfeld County.svg County
1594: Principality 		Upp Sax WT 1563: Partitioned from 1580: Mediatised; 3/5 to Saxony, 2/5 to Magdeburg
1594: HRE Prince
1626: Extinct; divided between , and
CoA Mansfeld County.svg County Upp Sax WT 1563: Partitioned from 1572: Extinct; divided between , , , and
CoA Mansfeld County.svg County Upp Sax WT 1501: Partitioned from 1547: Under Imperial Ban
1552: Imperial Ban lifted
1560: Partitioned into , and
CoA Mansfeld County.svg County Upp Sax WT 1560: Partitioned from 1666: Extinct; divided between and
CoA Mansfeld County.svg County Upp Sax WT 1560: Partitioned from 1628: Extinct; to
CoA Mansfeld County.svg County Upp Sax WT 1560: Partitioned from 1594: Extinct; divided between and
CoA Mansfeld County.svg County n/a n/a 1420: Partitioned from 1442: Acquired half of Friedeburg, and Salzmünde
1482: Acquired Heldrungen
1492: Extinct; to
CoA Mansfeld County.svg County n/a n/a 1420: Partitioned from 1449/52: Acquired Artern
1501: Partitioned into , and
CoA Mansfeld County.svg County n/a n/a 1420: Partitioned from 1442: Acquired half of Friedeburg
1499: Extinct; to
CoA Mansfeld County.svg (Mansfeld-Schraplau) County Upp Sax WT 1501: Partitioned from 1602: Extinct; to the lines of
CoA Mansfeld County.svg County Upp Sax WT 1501: Partitioned from 1563: Partitioned into , , , , and
1580: Mansfeld-Vorderort mediatised; 3/5 to Saxony, 2/5 to Magdeburg
CoA Mansfeld County.svg County n/a n/a 1273: Partitioned from Mansfeld 1420: Partitioned into , and
CoA Marchtal Abbey.svg Marchtal Abbacy Swab SP bef. 776 1500: Imperial immediacy
1803: To Thurn and Taxis
1806: To Württemberg
Armoiries de la Marck 1.svg Mark (Marck) 1198: County Low Rhen PR 1226: Renamed from 1299: Acquired Arenberg
1328: Partitioned into itself and
1391: To Cleves
1394: To Cleves-Mark
1521: To Jülich-Cleves-Berg
1609: Extinct; War of Jülich Succession between Brandenburg and Palatinate-Neuburg
1614: To Brandenburg
1807: To France
1808: To Berg
1813: To Prussia
Armoiries de la Marck 1.svg (Marck-Arenberg) County Low Rhen WE 1328: Partitioned from Mark 1454: Partitioned into itself and
1547: To Ligne by marriage; who assumed the name Arenberg
Armoiries de la Marck 1.svg (Marck-Rochefort) County n/a n/a 1454: Partitioned from 1544: Extinct; to of Stolberg-Stolberg, founder of line
Armoiries de la Marck 1.svg (Marck-Schleiden) County Low Rhen WE 1593: of Marck inherited part of , assumed the name Mark-Schleiden 1774: Extinct; to Arenberg
Blason ville fr Marmoutier Bas-Rhin.svg Marmoutier (Maursmünster) Abbacy Upp Rhen SP by 659 659: Imperial immediacy
1648: To France
1789: Suppressed
Coat of arms of None.svg Martinstein Lordship n/a n/a Formerly to 1340: To the Archbishopric of Mainz
1353: Enfeoffed to
1389: Enfeoffed to Merxheim
c. 1555: Enfeoffed to and Sickingen
1655: Sovereignty to Schönborn
1660: Enfeoffed to and Ebersberg
1716: Sovereignty to Baden
1771: Ebersberg fief to Baden
1795: To France
1815: To Prussia
CoA Cybo Malaspina House.svg Massa and Carrara (Malaspina) Marquisate
1568: Principality
1662: Duchy of Massa and Principality of Carrara 		n/a n/a 1473: Formed when Massa acquired Carrara 1568: HRE Prince
1664: HRE Duke
1796: To the Cispadane Republic
1797: To the Cisalpine Republic
1802: To Italy
1815: Restored
1829: To Modena and Reggio
CoA Matsch County.svg Matsch Barony n/a n/a 12th Century 1278: Acquired Tarasp
1344: Acquired Castels
1348: Lost Chiavenna, Puschlav and to Milan
1365?: Acquired Greifenstein
1372: Sold Malans to
1394: Lost Greifenstein to the Bishopric of Chur
1400: Acquired Steinsberg
1421: Lost Advocacy of Marienberg and Müstair to the Tyrol
1464: Sold Tarasp to the Tyrol
1487: Under Imperial Ban
1496: Sold Castels to Austria
1504: Extinct; remaining territories to
CoA Cistercian Order Bend.svg Maulbronn Abbacy Swab SP 1147: Established with imperial immediacy 1504: Made fief of Württemberg
1534: Abbey suppressed
1548: Abbey restored as fief of Württemberg
1807: Secularised and suppressed
Escudo de Malinas 1581.svg Mechelen (Malines) Lordship
1490: County (title remained "Lord") 		Burg n/a 910: Fief of Bishop of Liège 1333: To Flanders
1369: To Burgundy
1483: To the Burgundian Netherlands
1516: To the Spanish Netherlands
1713: To the Austrian Netherlands
1795: To France
1815: To the Netherlands
1830: To Belgium
Armoiries Mecklembourg.svg Mecklenburg Principality
1347: Duchy 		n/a n/a 1167: Obotrite prince became a vassal of Saxony, known then on in Germany as Mecklenburg 1180: Imperial immediacy
1234: Partitioned into itself, Werle, Rostock and Parchim-Richenberg
1255: Acquired Sternberg
1301: Acquired Wismar
1304: Acquired Stargard
1312: Acquired Rostock
1319: Acquired Prignitz and Uckermark
1325: Lost Prignitz and Uckermark
1347: HRE Duke
1352: Partitioned into Mecklenburg-Schwerin and Mecklenburg-Stargard
Armoiries Mecklembourg.svg Duchy n/a n/a c. 1669: Appanage created in Mecklenburg-Schwerin 1747: Inherited Mecklenburg-Schwerin; appanage abolished
Armoiries Mecklembourg.svg Mecklenburg-Güstrow Duchy Low Sax PR 1480: Partitioned from Mecklenburg-Schwerin 1483: Extinct; to Mecklenburg-Schwerin
1520: Partitioned from Mecklenburg-Schwerin
1610: Extinct; to Mecklenburg-Schwerin
1621: Partitioned from Mecklenburg-Schwerin
1628-31: To Wallenstein
1695: Extinct in male line; succession dispute
1701: Ratzeburg and Stargard to Mecklenburg-Strelitz; rest to Mecklenburg-Schwerin
Armoiries Mecklembourg.svg Mecklenburg-Mirow Duchy n/a n/a 1658: Appanage created in Mecklenburg-Schwerin 1675: Extinct; to Mecklenburg-Schwerin
Armoiries Mecklembourg.svg Mecklenburg-Schwerin
Grand Duke of Mecklenburg, Prince of the Wendes, Schwerin & Ratzeburg, Count of Schwerin, Lord of the Lands of Rostock and Stargard 		Duchy
1815: Grand Duchy 		Low Sax PR 1352: Partitioned from Mecklenburg 1358: Acquired Schwerin
1480: Partitioned into itself and Mecklenburg-Güstrow
1436: Acquired 1/3 of
1520: Partitioned into itself and Mecklenburg-Güstrow
1552: Succession dispute
1556: Given to John Albert I, co-Duke of Mecklenburg-Güstrow
1621: Partitioned into itself and Mecklenburg-Güstrow
1628-31: To Wallenstein
1648: Acquired the
1658: Appanage Mecklenburg-Mirow
1669: Appanage created
1815: Grand Duchy
Armoiries Mecklembourg.svg Mecklenburg-Stargard Duchy n/a n/a 1352: Partitioned from Mecklenburg 1408: Partitioned into and
1438: Reunited by
1471: Extinct; to Mecklenburg-Schwerin
Armoiries Mecklembourg.svg Duchy n/a n/a 1408: Partitioned from Mecklenburg-Stargard 1436: Acquired 1/3 of
1438: Renamed to Mecklenburg-Stargard
Armoiries Mecklembourg.svg Duchy n/a n/a 1408: Partitioned from Mecklenburg-Stargard 1436: Acquired 1/3 of
1438: Extinct; to
Armoiries Mecklembourg.svg Mecklenburg-Strelitz
Grand Duke of Mecklenburg, Prince of the Wendes, Schwerin and Ratzeburg, Count of Schwerin, Lord of the Lands of Rostock and Stargard 		Duchy
1815: Grand Duchy 		Low Sax PR 1701: Created from Ratzeburg and Stargard from Mecklenburg-Güstrow for Adolphus Frederick II 1815: Grand Duke
CoA Megen Old Arms.svg Megen County n/a n/a 1145: First mentioned; fief of Lower Lotharingia 1190: Imperial immediacy
1420: Extinct; to Dicbier
1469: To Brimeu
1610: To Croÿ
1666: To Velen
1697: To the Palatinate
1728: To
1794: To France
1800: To the Batavian Republic
1806: To Holland
1810: To France
1815: To the Netherlands
CoA Meissen Bishopric.svg Meissen Bishopric Upp Sax EC 948 1180: Imperial immediacy
13th Century: HRE Prince of the Empire
1666: To Saxony
CoA Meissen Burgraviate.svg Meissen Burgraviate n/a n/a bef. 1006: First mentioned 1170: To
1199: To Werben
c. 1350: To
1388: To
1426: Acquired by who adopted the style
1466: Lost Plauen, Pausa, Gefell, and to Saxony
1572: Extinct; to Saxony
Blason Nord-Pas-De-Calais.svg Meissen Margraviate n/a n/a 965: Partitioned from the Marca Geronis 982: Acquired Merseburg and Zeitz
1002: Lost Lusatia
1247: Acquired Thuringia and the County Palatine of Saxony
1261: Partitioned into itself and Landsberg
1423: Purchased Saxony; henceforth Elector of Saxony
CoA Memmingen.svg Memmingen Imperial City Swab SW 1286: Free Imperial City 1802: To Bavaria
CoA Teutonic Order.svg Mergentheim Commandry of the Teutonic Order
1805: Principality 		Franc n/a 1058: First mentioned; property of Hohenlohe 1219: To the Teutonic Order
1527: Main seat of the Grandmaster of the Order
1805: HRE Prince
1809: To Württemberg
CoA Merseburg Bishopric.svg Merseburg Bishopric Upp Sax EC 968 1004: HRE Prince of the Empire
1565: To Saxony
1656: To Saxe-Merseburg
1738: To Saxony
1815: To Prussia
CoA Meissen Burgraviate.svg Burgraviate n/a n/a c. 920: to Goseck 1004: Title retained by Goseck but not the property
Blason Nord-Pas-De-Calais.svg Merseburg Margraviate n/a n/a 965: Partitioned from the Marca Geronis 982: Extinct; to the Margraviate of Meissen
CoA Zimmern County.svg Meßkirch (Messkirch) Lordship Swab SC 1080: First mentioned; to Rohrdorf c. 1210: To of Waldburg who founded the line
c. 1300: To
1354: To Zimmern
1508: To
1594: To
1627: To Fürstenberg-Messkirch
1744: To Fürstenberg
1806: To Baden
Blason eveché de Metz.svg Metz Bishopric Upp Rhen EC by 535: Established 945, 1047, 1152: Acquired Metzgau piecemeal
1065: Acquired Saarbrücken
1123: Lost Saarbrücken
1241: Lost Dagsburg
1558: Most to France
1632: All territory of the Bishopric to France

1648: Annexation to France formally recognised

Blason Metz 57.svg Metz Imperial City Upp Rhen RH 1189: Free Imperial City 1552: To France

1648: Annexation to France formally recognised

CoA Siegberg, NRW.svg Michaelsberg (Siegberg) Abbacy Low Rhen RP 1064 1512: Imperial immediacy
1676: To Palatinate-Neuburg
1685: To the Palatinate
1802: Suppressed
CoA Mindelheim Lordship.svg Mindelheim Lordship
1714: Principality of Mindelheim and Schwabegg 		Swab SC / PR 1250: First mentioned by 1370: To Teck
1439: To
1467: Sold to
1591: Sold to
1598: To
1616: To Bavaria
1704: To Churchill-Marlborough; HRE Prince
1714: To Bavaria
CoA Minden Duchy.svg Minden Bishopric Low Rhen EC 800 1180: Imperial immediacy; HRE Prince
1648: Secularized as a Principality for Brandenburg
CoA Minden Duchy.svg Minden Principality Low Rhen PR 1648: Secularized from the Bishopric of Minden for Brandenburg 1807: To Westphalia
1815: To Prussia
Blason ville fr Cadalen (Tarn).svg Moers (Mörs) Lordship
c. 1230: County
1706: Principality 		Low Rhen WE c. 1160: First mention of Lords of Moers; fief of the Archbishopric of Cologne c. 1230: HRE Count
1288: Fief of Cleves
1385: Acquired Friemersheim
1399: Acquired Saarwerden by marriage
1417: Partitioned into itself and
1488: Seized by the Emperor
1493: To Wied-Runkel
1500: Returned to Moers
1501: Extinct; to
1510: To Wied-Runkel
1519: To
1584: To Spain
1597: To
1600: To Cleves
1601: To Maurice of Nassau-Orange; united with Nassau-Orange from 1618
1607: Imperial immediacy
1702: To Prussia
1794: To France
1815: To Prussia
Blason ville fr Cadalen (Tarn).svg County Upp Rhen WE 1417: Partitioned from Moers 1527: Extinct; to Nassau-Saarbrücken
Sin escudo.svg Mondsee Abbacy ? SP 748 788: Imperial immediacy
831: To the Bishopric of Regensburg
1142: Regained imperial immediacy
1506: Fief of Austria
1791: Suppressed
Blason Hainaut moderne (selon Gelre).svg Mons (Bergen) County n/a n/a 980: Partitioned from Hainaut 1071: Extinct; to Hainaut
Armoiries de Fauquemont 2.svg Monschau (Montjoie) Barony n/a n/a 1221: Mentioned as a property of Limburg 1226: To
1262: To Valkenburg
1354: To
1433: To Jülich
Blason Ferrette.svg Montbéliard (Mömpelgard) County
Princely County 		n/a n/a 10th Century: First mentioned 1105: To
1163: To Montfaucon who assumed the title Montbéliard
1397: To Württemberg by marriage
1793: To France
Sin escudo.svg Montechiarugolo County 1180: Partitioned from Guastalla 1612: Acquired by the Duchy of Parma
CoA Montfort County.svg Montfort County n/a n/a 1180: Partitioned from Tübingen 1258: Partitioned into , , , Werdenberg-Heiligenberg and Werdenberg-Sargans
CoA Montfort County.svg County n/a n/a 1258: Partitioned from Montfort c. 1290: Sigmaringen sold to Austria
1338: Extinct; to
CoA Montfort County.svg County Swab SC 1482: Partitioned from 1525: Sold to Austria
1550: Extinct
CoA Montfort County.svg County Swab SC 1482: Partitioned from 1515: Extinct; to
CoA Montfort County.svg (Montfort-Bregenz-Beckach) County Swab SC 1524: Renamed from ; fief of Styria 1574: Acquired territory of
1581: Sold to
1592: Sold Wasserburg to
1576: Partitioned into , and
CoA Montfort County.svg (Montfort-Bregenz-Beckach-Montfort) County Swab SC 1576: Partitioned from 1590: Extinct; to
CoA Montfort County.svg (Montfort-Bregenz-Beckach-Beckach) County n/a n/a 1576: Partitioned from 1596: Sold Peggau
1617: Extinct
CoA Montfort County.svg (Montfort-Bregenz-Beckach-Tettnang) County Swab SC 1576: Partitioned from 1657: Acquired
1764: sold to Weingarten Abbey
1780: Sold to Austria
1787: Extinct
CoA Montfort County.svg County Swab SC 1423: Partitioned from 1437: Extinct; to
1482: Partitioned from
1524: Sold to Styria; renamed to
CoA Montfort County.svg County n/a n/a 1423: Partitioned from 1482: Partitioned into , and
CoA Montfort County.svg County n/a n/a 1258: Partitioned from Montfort 1302: Partitioned into itself and
1375: Sold to Austria
1390: Extinct
CoA Montfort County.svg County n/a n/a 1258: Partitioned from Montfort 1287: Sold Scheer to Austria
1314: Acquired Scheer and
1331: Acquired
1354: Partitioned into and
CoA Montfort County.svg County n/a n/a 1354: Partitioned from 1362: Acquired
1379: Partitioned into and
CoA Montfort County.svg County n/a n/a 1379: Partitioned from 1423: Partitioned into and
CoA Montfort County.svg County n/a n/a 1379: Partitioned from 1458: Sold to Austria
CoA Montfort County.svg County n/a n/a 1439: Partitioned from 1445: Extinct; to
CoA Montfort County.svg County Swab SC 1439: Partitioned from 1567: sold to Königsegg-Aulendorf
1574: Extinct; to
CoA Montfort County.svg County Swab SC 1354: Partitioned from 1386: Acquired Wasserburg
1399: Acquired Oberstaufen
1414: Scheer and to
1420: Acquired Bludenz
1437: Acquired Davos and Prättigau
1439: Partitioned into itself, and
1526: Extinct; to
CoA Montfort County.svg County n/a n/a 1436: of obtained part of Toggenburg 1483: Extinct; to
CoA Montfort County.svg County n/a n/a 1302: Partitioned from 1359: Extinct; to
CoA Imperial Free City Arms.svg Mosbach Imperial City n/a n/a 1241: Free Imperial City 1297: To Breuberg
1367: To the Palatinate
1410: To Palatinate-Mosbach
1448: To Palatinate-Mosbach-Neumarkt
1499: To the Palatinate
1803: To Leiningen
1806: To Baden
CoA Mühlhausen, Thuringia.svg Mühlhausen Imperial City Low Sax RH 1251: Free Imperial City 1802: To Prussia
1807: To Westphalia
1815: To Prussia
Blason Mulhouse.svg Mulhouse (Mülhausen) Imperial City Upp Rhen RH 1275: Free Imperial City 1437: Acquired Illzach and
1515: Ally of the Swiss Confederation
1648: Left the Empire as a Swiss ally
1798: To France
CoA Rot an der Rot, BW.svg Münchenroth (Mönchsrot)
See: Rot an der Rot 		Abbacy
Blason ville fr Aubière (Puy-de-Dôme).svg Münster (Munster) Bishopric Low Rhen EC c. 795 1122: Acquired as fief of Saxony
1134: HRE Prince of the Empire
c. 1170: Acquired Stromberg as fief of Saxony
1180: Imperial immediacy
1252: Acquired Vechta
1269: Acquired Horstmar
1400: Acquired Ahaus
1803: Secularized and divided between Prussia, Arenberg, Looz-Corswarem, Salm-Kyrburg, Salm-Salm and Croÿ
Blason de la ville de Munster (68).svg Munster (Münster im Gregoriental) Imperial City Upp Rhen RH 1354?: Free Imperial City 1648: To France
Blason Murbach.svg Murbach Abbacy Upp Rhen RP 722 792: Imperial immediacy
1648: To France
1789: Secularised
Coat of arms of None.svg Muri Abbacy n/a n/a 1027 Abbey never held immediate territory
1648: To Switzerland
1701: HRE Prince of the Empire
CoA Myllendonk Lordship.svg Myllendonk (Millendonk) Lordship Low Rhen WE 1166: First mentioned 1268: Made fief of Guelders
1279: Fief of the Archbishopric of Cologne
1297: Sold to as fief of Cologne
c. 1300: Extinct
1346/50: To as fief of Cologne
1612: To as fief of Cologne
1641: To as fief of Cologne
1683: To Croÿ as fief of Cologne
1694: To Berlepsch as fief of Cologne
1700: To ; imperial immediacy, Lower Rhenish-Westphalian Circle
1794: To France
1815: To Prussia

References[]

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