1007: Bishopric
c1242: Prince-Bishopric
1500: Franconian Circle
1793: Council of Princes
1802: Annexed to Bavaria
1803: Secularized to Bavaria

Reference
[1]

Bishopric of Basel

1579: Allied to the Swiss Confederation
1792: Annexed to the Rauracian Republic
1793: Council of Princes
1801: Mediatised to Baden and France

Bishopric of Bremen

Bishopric of Brandenburg

1415: Hohenzollerns purchased Brandenburg from HRE

Bishopric of Breslau

1155: Pope Adrian IV confirmed bishop's jurisdiction over lands of castle of Ottmachau as diocese's patrimony from its foundation
?-1270: Ladislaus, administrator of diocese of Breslau and Archbishop of salzburg, was grandson of St. Hedwig of Poland
c1290: Duke Henry IV of Silesia confirmed bishop's sovereignty over the territories of Neisse and Ottmachau
1302-1319: Bishop Heinrich I of Wurben was made guardian of the young Dukes of Breslau

?: Castle of Militsch was acquired by the Breslau cathedral chapter

1341-1376: Bishop Preczlaus of Pogarell bought Duchy of Grottkau from Duke Boleslaw of Silesia-Brieg and added it to the episcopal territory of Neisse; bishop tool the title "Prince of Neisse and Duke of Grottkau" with precedence over other Silesian rulers
1382-1417: Wenzel of Lebus, Duke of Liegnitz, became bishop of Breslau
1417-1447: Conrad, Duke of Oels, bishop of Breslau, headed the Silesian confederation during the Hussite wars
1683-1732: Franz Ludwig of Palatinate-Neuburg, Bishop of Passau, Bishop of Worms, Grand Master of the German Knights, Provost of Ellwangen, Elector of Trier and Elector of Mainz

References
Breslau

Bishopric of Brixen

Bressanone
1027: Bishopric
1179: Prince-Bishopric
1512: Austrian Circle
1793: Council of Princes
1803: Secularized and annexed by Austria to Krain (Carniola)
1805: To Bavaria
1814: To Austria
1918: To Italy

http://www.newadvent.org/cathen/02793d.htm

Bishopric of Cambrai

Bishopric of Chiemsee

Bishopric of Chur

1512: Austrian Circle
1793: Council of Princes
1798: Annexed to the Helvetic Republic

Prince-Bishopric of Corvey

Korvey
877: Abbey
c1582: Prince-Abbot
1783: Prince-Bishopric
?: Principality
1793: Council of Princes
1803: Secularized as a principality to Nassau-Dillenburg

Bishopric of Eichstädt

Eichstatt, Eichstätt, Eichstadt
437 sq. miles; 56,000
741:Bishopric
908-1802: Imperial Prince-Bishopric
1220: Bishops of Eichstätt acquired sovereignty (under Bishop Hartwig in 1220)
1305: Bishops acquired possessions of the extinct Counts of Hirschberg
1500: Franconian Circle
1793: Council of Princes
1802: Annexed by Bavaria
1803: Annexed to Salzburg
1803: Secularized to Bavaria

References
[2]

Bishopric of Freising

724: Founded as a monastery
738: Bishopric
1220: Prince-Bishopric
1500: Bavarian Circle
1793: Council of Princes
1803: Secularized to Bavaria

Prince-Bishopric of Fulda

744: Founded as the Benefictine Abbey of Fulda
c936: Abbot served as arch-chancellor of the empress whom he crowned jointly with the Elector of Mainz
968: Abbot was primate of all the Benedictine monasteries of Germany and Gaul
1156: Abbot designated Prince of the Empire
1170: Imperial Abbacy
1752: Pope Benedict XIV raised the abbey to the rank of a bishop
1737-1756: Amand von Buseck, 1st Prince-Bishop
1157: Fulda received its charter
1576-1602: Annexed to the Teutonic Order
1802: Secularized and annexed to Nassau-Dillenburg as a secular principality
1788-1802: Adalbert III von Harstall, last Prince-Bishop
1793: Council of Princes
1806: French administration
1807: Annexed to Kingdom of Westphalia
1809: Ceded to the Grand Duchy of Frankfurt
1815: To Hesse-Kassel
1866: Annexed to Prussia
Area (1802): 40 sq. mi.; Pop. 100,000

References
Fulda

Bishopric of Geneva

?: Bishopric
1154: Prince-Bishopric
1154: The Bishops of Geneva became princes of the Holy Roman Empire

Bishopric of Genf

Prince-Bishopric of Gurk

1072: Bishopric
Prince-Bishopric
1803: Annexed to Carinthia by Austria

Bishopric of Halberstadt

996: Bishopric established
1648: Secularized as a principality to Brandenburg

Bishopric of Havelberg

Bishopric of Hildesheim

815: Bishopric
c1221: Prince-Bishopric
1793: Council of Princes
1802: Annexed to Brandenburg
1803: Secularized to Prussia

Bishopric of Kamerich

Prince-Bishopric of Kammin

1176: Bishopric
1274: Acquired Lubeck city rights
1556: Secularized to Pomerania-Wolgast
1628: Principality
1648: To Sweden
1679: Brandenburg

Bishopric of Konstanz

911?: Bishopric
1200s: Prince-Bishopric

1793: Council of Princes 1802: Divided between Baden and Switzerland 1803: Secularized and annexed to Baden Area: 482 sq. mi.; Pop. 50,000

Bishopric of Lausanne

1011: Bishopric
1270: Prince-Bishopric
1536: Secularized by Bern

Bishopric of Lavant

St. Andra
1228: Bishopric
?: Prince-Bishopric

1318-1332: Dietrich, 1st Prince-Bishop, 1318-1332 1446-1463: Since 22nd Bishop, Theobald Schweinbeck, bishops borne title of Prince

Bishopric of Lebus

972: Bishopric established

Bishopric of Liege

Lüttich, Liége
1793: Council of Princes
1795: Annexed to France

Refences
(French) La principauté de Liège

Prince-Bishopric of Livonia

1201: Prince-Bishopric

Bishopric of Lubeck

Lübeck
1793: Council of Princes
1803: Secularised as a principality to Oldenburg

Bishopric of Meissen

Meißen
948: Bishopric founded
1559: Secularized to Saxe-Meißen

Bishopric of Merseburg

968: Bishopric
850: 1st mention of Merseburg
1561: Bishopric suppressed and passed to Saxony<nr>1565: Secularized to Saxony
1656-1738: Seat of Dukes of Saxe-Merseburg
1815: To Prussia

Bishopric of Metz

500s: Bishopric
1558: Annexed to France
1648: Formally ceded to France

Bishopric of Minden

803: Bishopric
1636: Swedish occupation
1648: By Treaty of Westphalia, secularized and annexed to Brandenburg as a principaltiy
1807: To Kingdom of Westphalia
1815: To Prussia

Prince-Bishopric of Münster

791: Bishopric
1122: Acquired County of Kappenberg
1134: Prince-Bishopric
c1170: Acquired Lordship of Stromberg
1252: Acquired Lordship of Vechta from Ravensberg
1269: Purchased County of Horstmar
1310-1359: Purchased eastern half of Lordship of Lohn
1400: Acquired Ahaus in pledge
1793: Council of Princes
1803: Secularized to Prussia, Arenberg, Looz, Salm and Croy

Reference
History of Prince-Bishopric of Munster

"Niederstift" Munster

Münster

Bishopric of Naumburg

Bishopric of Osnabruck

Osnabrück

Bishopric of Paderborn

777: 1st church in Paderborn founded
795: Bishopric of Paderborn
815-862: Paderborn received special imperial protection from Emperor Louis the Pious
881: Confirmation of Bishopric of Paderborn as a county
974: Emperor Otto II bestowed the right to a free election of bishops
1127: Prince-Bishopric of Paderborn
1793: Council of Princes
1802: Secularized and annexed to Prussia
1806: Secularized to Prussia
1807: To Kingdom of Westphalia
1813: To Prussia

Bishopric of Passau

c722: Bishopric of Passau

1500: Bavarian Circle
1793: Council of Princes
1803: Annexed to Salzburg
1805: Secularized to Bavaria

Bishopric of Ratzeburg

Bishopric of Regensburg

Ratisbone
739; Bishopric of Regensburg
1802: Principality of Regensburg-Aschaffenburg
1806: Frankfurt administered by Regensburg.
1810: To Grand Duchy of Frankfurt
1810-1810: French administration.
1810: Annexed by Bavaria