State church of the Roman Empire
Nicene Christianity became the state church of the Roman Empire with the Edict of Thessalonica in AD 380, when Emperor Theodosius I made it the Empire's sole authorized religion. The Eastern Orthodox ...
State church of the Roman Empire - Wikipedia
Proto-orthodox Christianity
Proto-orthodox Christianity is a term, coined by New Testament scholar Bart D. Ehrman, used to describe the Early Christian movement which was the precursor of Christian orthodoxy. Ehrman argues that ...
Proto-orthodox Christianity - Wikipedia
First seven Ecumenical Councils
In the history of Christianity, the first seven ecumenical councils, from the First Council of Nicaea (325) to the Second Council of Nicaea (787), represented an attempt to reach an orthodox consensus...
First seven Ecumenical Councils - Wikipedia
Constantine I and Christianity
While the Roman Emperor Constantine the Great (reigned 306–337) ruled, Christianity began to transition to the dominant religion of the Roman Empire. Historians remain uncertain about Constantine's re...
Constantine I and Christianity - Wikipedia
Roman church under Constantine I
Constantine I's relationship with the four Bishops of Rome during his reign is an important component of the history of the Papacy, and more generally the history of the Catholic Church.The legend sur...
Roman church under Constantine I - Wikipedia
Holy Roman Empire
The Holy Roman Empire (Latin: Sacrum Romanum Imperium, German: Heiliges Römisches Reich) was a multi-ethnic complex of territories in central Europe that developed during the Early Middle ...
Holy Roman Empire - Wikipedia
Decline of the Byzantine Empire
The Byzantine Empire is a term used by modern historians to distinguish the Eastern Roman Empire after the fall of the Western Roman Empire, during the Medieval period, from its earlier classic incarn...
East-West Schism
The East–West Schism is the break of communion between what are now the Eastern Orthodox and Roman Catholic Churches which began in the 11th century.There had long been ecclesiastical differences and ...
East-West Schism - Wikipedia
Patriarchate
A patriarchate is the office or jurisdiction of a patriarch. A patriarch, as the term is used here, is either,The five patriarchs of the Pentarchy sat in Rome, Constantinople (now Istanbul), Alexandri...
Pentarchy
"Pentarchy" (from the Greek Πενταρχία, Pentarchia from πέντε pente, "five", and ἄρχω archo, "to rule") is a term in the history of Christianity for the idea of universal rule over all of Christendom b...
Pentarchy - Wikipedia
Duchy of Urbino
The Duchy of Urbino was a sovereign state of northern Italy.The first lords of Urbino were the House of Montefeltro, who obtained the title of counts from Emperor Frederick II in 1213. The first Duke ...
Duchy of Urbino - Wikipedia
House of Hohenzollern-Haigerloch
The House of Hohenzollern-Haigerloch belonged to the Swabian branch of the House of Hohenzollern. The County of Hohenzollern-Haigerloch with the capital city of Haigerloch existed from 1576 to 1767.
House of Hohenzollern-Haigerloch - Wikipedia
Battle of Cortenuova
The Battle of Cortenuova (sometimes spelled Cortenova) was fought on 27 November 1237 in the course of the Guelphs and Ghibellines Wars: in it, Holy Roman Emperor Frederick II defeated the Second Lomb...
Battle of Cortenuova - Wikipedia
Duchy of Westphalia
The Duchy of Westphalia (1180–1803) was a historic territory in the greater region of Westphalia, located in the east of modern North Rhine-Westphalia, Germany. Originally, Westphalia formed with Angr...
Duchy of Westphalia - Wikipedia
County of Regenstein
The County of Regenstein was a mediaeval statelet of the Holy Roman Empire.
The counts of Regenstein Castle near Heimburg were first mentioned in an 1169 deed, with Count Conrad of Regenstein, son...
County of Regenstein - Wikipedia
Schönburg-Waldenburg
Waldenburg is a town in the district Zwickau in Saxony, Germany. The castle was owned by the House of Schönburg from 1378 until 1945.
The town of Waldenburg consists of the following subdivisions:
Schönburg-Waldenburg - Wikipedia
Mecklenburg-Güstrow
Mecklenburg-Güstrow was a state of the Holy Roman Empire in Northern Germany, that existed on three separate occasions ruled by the House of Mecklenburg at Güstrow.
A first short-lived predecessor...
Mecklenburg-Güstrow - Wikipedia
Bogislaw V, Duke of Pomerania
Bogislaw V (Polish: Bogusław, Latin: Bogislaus) (c. 1318 – 23 April 1374) was a Duke of Pomerania.Eldest son of Duke Wartislaw IV and Elisabeth of Lindow-Ruppin, Bogislaw had two brother...
Bogislaw V, Duke of Pomerania - Wikipedia
Limburg-Styrum-Borkelö
Limburg-Styrum-Borkelö was a noble family of the Netherlands which originated in Germany. It was a line of the House of Limburg-Styrum and was partitioned from Limburg-Styrum-Bronchhorst-Borkelö in 17...
Limburg-Styrum-Borkelö - Wikipedia
List of rulers of Hesse
This is a list of rulers of Hesse (German: Hessen) during the history of Hesse on west-central Germany. These rulers belonged to a dynasty collectively known as the House of Hesse and the House of...
List of rulers of Hesse - Wikipedia
St. Ludger's Abbey
St. Ludger's Abbey (German: Kloster St. Ludgeri) was a former monastery of the Benedictine Order in Helmstedt, Lower Saxony, founded by Saint Ludger around 800. Until it was secularised in 1802 it...
St. Ludger's Abbey - Wikipedia
Battle of Kassa
The Battle of Kassa was fought on October 18, 1685, in the city of Kassa, in the Kingdom of Hungary, between the armies of the Ottoman Empire and of the Holy Roman Empire. The Austrian Commander, Fiel...
Bretzenheim (state)
Bretzenheim was a minor Principality in pre-Napoleonic Germany. It was created in 1790 for Charles Augustus of the line of Wittelsbach-Bretzenheim. Its territory in central Germany was mediatised to H...
Bretzenheim (state) - Wikipedia
Obernai
Obernai (French: Obernai; Alsatian: Owernah; German: Oberehnheim) commune in the Bas-Rhin department in Alsace in north-eastern France. It lies on the eastern slopes of the Vosges mountains.Ob...
Obernai - Wikipedia
Maximilian II, Holy Roman Emperor
Maximilian II (31 July 1527 – 12 October 1576), a member of the Austrian House of Habsburg, was Holy Roman Emperor from 1564 until his death. He was crowned King of Bohemia in Prague on 14 May 1...
Maximilian II, Holy Roman Emperor - Wikipedia
County of Tyrol
The County of Tyrol, is a historical region in what is now Austria and Italy from 1140 up to 1919. Originally a jurisdiction under the sovereignty of a count, it was a Princely County, from 1504 a St...
County of Tyrol - Wikipedia
Salm-Neuweiler
Neuweiler is a town in Germany, located in the Calw district and region of Karlsruhe of Baden-Württemberg. It is crossed by two rivers, the Enz and the Teinach.
Salm-Neuweiler - Wikipedia
Schwarzburg-Rudolstadt
Schwarzburg-Rudolstadt was a small historic state in present-day Thuringia, Germany with its capital at Rudolstadt.
Schwarzburg-Rudolstadt was established in 1599 in the course of a reset...
Schwarzburg-Rudolstadt - Wikipedia
Wain (Württemberg)
Wain is a town in the district of Biberach in Baden-Württemberg in Germany.
Wain (Württemberg) - Wikipedia
Provostry of Oberried
Oberried is a town in the district of Breisgau-Hochschwarzwald in Baden-Württemberg in southern Germany.Oberried is home to the Barbarastollen caves, the central safekeeping archive of Germany. The Ba...
Provostry of Oberried - Wikipedia