List of states in the Holy Roman Empire (U)

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

Name Type Circle Bench Formed Notes
Überlingen Imperial City Swab SW 1268: Free Imperial City 1803: To Baden
Ulm Imperial City Swab SW 1115: Free Imperial City 1802: To Bavaria
1810: To Württemberg
Umpfenbach Territory n/a n/a n/a 1773: Purchased by Philipp Freiherr von Gudenus and Valentin Ferdinand Freiherr von Gudenus from Christian Friedrich Carl Graf zu Castell-Remlingen[1]
June 1, 1805: Purchased by Ferdinand von Trauttmansdorff from Ferdinand Freiherr von Gudenus [2]
Unterwalden Imperial Valley n/a n/a Divided into Nidwalden and Obwalden from an early date 1173: To Counts of Habsburg
1291: Became a founding member of the Swiss League
1324: Imperial immediacy
By 1350: Permanent division into Obwalden and Nidwalden
1648: Left Empire as member of Swiss Confederation
Upper Alsace (Sundgau; Oberelsaß) Landgraviate n/a n/a 1130: To Habsburg 1469: Sold to Burgundy
1477: To the Burgundian Netherlands
1516: To Austria
1648: To France
Upper Bavaria (Oberbayern) Duchy n/a n/a 1255: Partitioned from Bavaria 1314: Partitioned into the Palatinate and itself
1340: Renamed to Bavaria
1349: Partitioned from Bavaria
1363: Extinct; to Bavaria-Landshut
Upper Salm
See: Salm in the Vosges		 County
Urach County n/a n/a 1040: First mentioned; brother of Achalm c. 1080: First use of title Count of Urach
1098: Acquired Achalm
1218: Acquired Freiburg
1250: Partitioned into Freiburg, itself and Fürstenberg
1261: Extinct; to Fürstenberg
1265: Sold to Württemberg
Uri Imperial Valley n/a n/a 853: To Fraumünster Abbey as part of Swabia 12th Century: To Zähringen
1218: To Habsburg
1231: Free Imperial Valley
1291: Became a founding member of the Swiss League
1648: Left Empire as member of Swiss Confederation
Ursberg Abbacy Swab SP 1126-8: Founded 1143: Imperial immediacy
1803: To Bavaria
Ursin von Rosenberg
See: Orsini-Rosenberg		 Principality
Utrecht Bishopric Low Rhen n/a 695: Diocese established 1024: HRE Prince of the Empire
1528: Secularised as the Lordship of Utrecht; to the Spanish Netherlands
Utrecht Lordship Burg n/a 1528: Bishopric of Utrecht secularised; to the Spanish Netherlands 1548: Transferred to the Burgundian Circle
1579: Dutch Revolt against Spain
1648: Left the Empire as part of the Netherlands
Uznach Lordship
1209: County		 n/a n/a 12th Century: To Rapperswil 1195: To Toggenburg
1209: HRE Count
1436: To Raron; disputed by Zürich
1469: Sold to Schwyz and Glarus in condominium
1648: Left the Empire as part of Switzerland

References
  1. "Gudenus" heirsofeurope Retrieved September 18, 2019
  2. "Gudenus" heirsofeurope Retrieved September 18, 2019
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