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
Waldburg-Waldsee
Waldburg-Waldsee was a County located in southeastern Baden-Württemberg, Germany, located around Bad Waldsee. Waldburg-Waldsee was a partition of Waldburg-Wolfegg. Waldburg-Waldsee was a County prior ...
Waldburg-Waldsee - 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
Sayn-Homburg
Sayn-Homburg (not to be confused with the later state of Sayn-Wittgenstein-Homburg) was a mediaeval county of Germany. It was created as a partition of Sponheim-Sayn in 1283. In 1345, Salentin, the so...
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
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
Arumer Zwarte Hoop
The Arumer Zwarte Hoop ([ɑrʏmər zʋɑrtə ɦoːp], meaning "Black Hope of Arum"; Frisian: Swarte Heap) was an army of peasant rebels and mercenaries in Friesland fighting the Dutch authorities from 151...
Arumer Zwarte Hoop - Wikipedia
Berg (state)
Berg was a state – originally a county, later a duchy – in the Rhineland of Germany. Its capital was Düsseldorf. It existed as a distinct political entity from the early 12th to the 19th centuries.
Berg (state) - 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
Siege of Buda (1541)
The Siege of Buda in 1541 resulted in the capture of the city of Buda by the Ottoman Emperor Suleiman the Magnificent, as he invaded central Hungary. The battle is part of the Little War in Hungary.
Siege of Buda (1541) - Wikipedia
Verden (state)
The historic territory of Verden ([ˈfeːɐ̯dən]) emerged from the Monarchs of the Frankish Diocese of Verden in the area of present-day central and northeastern Lower Saxony and existed as such...
Verden (state) - Wikipedia
Fraumünster
The Fraumünster Church (lit. in English: Women's Minster, but often wrongly translated to [Our] Lady Minster) in Zurich is built on the remains of a former abbey for aristocratic women which was ...
Fraumünster - 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
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...
Lothair III, Holy Roman Emperor
Lothair II or Lothair III (before 9 June 1075 – 4 December 1137), known as Lothair of Supplinburg, was Duke of Saxony as well as King of Germany from 1125 and Holy Roman Emperor from 1133 until his de...
Lothair III, Holy Roman Emperor - Wikipedia
Groningen (province)
Groningen ([ˈɣroːnɪŋə(n)]; Gronings: Grönnen; West Frisian: Grinslân) is the northeasternmost province of the Netherlands. It borders on Friesland to the west, Drenthe to the south, the German sta...
Groningen (province) - Wikipedia
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
Wain (Württemberg)
Wain is a town in the district of Biberach in Baden-Württemberg in Germany.
Wain (Württemberg) - Wikipedia