The Cologne War Hostile_encounter ( 1583–88 ) was a conflict Hostile_encounter between Protestant and Catholic factions that devastated Destroying the Electorate of Cologne , a historical ecclesiastical principality of the Holy Roman Empire , within present-day North Rhine-Westphalia , in Germany .

Instead , he declared Expressing_publicly religious parity for his subjects and , in 1583 , married Forming_relationships Agnes von Mansfeld-Eisleben , intending to convert Change the ecclesiastical principality into a secular , dynastic duchy .

His successful campaigns Military_operation expanded Expansion the Bulgarian borders into Thessaly and Epirus and in 998 he conquered Conquering the principality of Duklja .

The Umayyads under the governor of Khurasan , Asad ibn Abdallah al-Qasri , had invaded Attack the principality of Khuttal in Transoxiana , and the local ruler Control called Request upon the Türgesh for aid Assistance .

In 1830 and again in 1833 , Serbia was recognized Know as an autonomous principality , with hereditary princes paying Commerce_pay annual tribute to the Porte .

Finally , `` de facto '' independence Change_of_leadership came in 1867 , with the withdrawal Escaping of Ottoman garrisons from the principality ; `` de jure '' independence was formally recognized Know at the Congress of Berlin in 1878 .

If this same principle were applied Using in ecclesiastical lands , such as those ruled Legal_rulings by a prince-bishop or an abbot , the conversion of an incumbent to Lutheranism would convert Change the entire principality to Protestantism .