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The cluster includes all the forms of the country. Brandenburg ceased to exist as a separate country when it merged with Prussia.
The cluster includes the following incarnations of the same nation:
Margraviate of Brandenburg
Electorate of Brandenburg
Establishment
January 1158: For further one-and-a-half centuries, the lands east of the Elbe defied German control, until in 1134 Emperor Lothair of Supplinburg bestowed the Northern March on the Ascanian count Albert the Bear. Albert signed an inheritance contract with the Slavic Hevelli prince Pribislav and in 1150 succeeded him in his eastern territory around the fortress of Brandenburg an der Havel, which became the nucleus of his newly established Margraviate of Brandenburg in 1157.
Chronology
Interactive Chronologies with maps are available in the section Changes Navigation
Were a series of military campaigny by the Mongols that created the largest contiguous Empire in history, the Mongol Empire, which controlled most of Eurasia.
1.1.Mongol Invasions of Germany
Were a series of Mongol raids in Germany.
1.1.1.First Mongol Invasion of Germany
Was a Mongol raid in the Holy Roman Empire.
May 1241: The Mongols invaded the Holy Roman Empire without major clash of arms.The army invaded eastern Germany, and crossed the March of Moravia in April-May 1241.
June 1241: The Mongols left eastern Germany and Moravia.
Were a series of Wars between the Teutonic Order and the Kingdom of Poland. .
2.1.Teutonic takeover of Danzig (Gdańsk)
After disputes over the control of the city between the Order and the King of Poland arose, the knights murdered a number of citizens within the city and took it as their own.
January 1307: Local Nobles of Pomerelia called for Margrave Waldemar of Brandenburg, whose troops occupied the territory up to the city of Gdańsk.
November 1308: The takeover of Danzig by the Teutonic Order on November 13, 1308 was an important event in the history of the city of Danzig, as a result of which the city and part of Pomerelia were incorporated into the Order State.
2.2.Thirteen Years' War (1454-1466)
Was a conflict fought in 1454-1466 between the Prussian Confederation, allied with the Crown of the Kingdom of Poland, and the State of the Teutonic Order.
January 1455: Neumarkt sold to the Electorate of Brandenburg.
Was a conflict between the Dukes of Pomerania and the Elector of Brandenburg. It started in 1464, after the death of Duke Otto III, the last Duke of Pomerania-Stettin. The Dukes of Pomerania-Wolgast, Eric II and Wartislaw X, held that they were Otto's rightful heirs. Elector Frederick II of Brandenburg held that Pomerania-Stettin was a fief of Brandenburg.
January 1469: In 1468, Brandenburg captured several Pomeranian towns on both sides of the Oder.
June 1470: In May 1470, Eric II of Pomerania invaded the Neumark, a territory in present-day.
July 1470: In May 1470, Eric II of Pomerania invaded the Neumark, a territory in present-day.
June 1472: Despite the preservation of Pomerania-Stettin, the outcome of the conflict was unfavorable for Pomerania, because it established Brandenburg's feudal sovereignty over all of Pomerania, not just Pomerania-Stettin.
August 1529: However, Brandenburg finally renounced feudal sovereignty only with the Treaty of Grimnitz in 1529. In return, the Dukes of Pomerania had to grant the Electorate of Brandenburg succession in the event that the Pomeranian ducal family died out.
Was a war of succession in the United Duchies of Jülich-Cleves-Berg between Brandenburg and the Palatinate.
May 1609: When Johann Wilhelm died, both Brandenburg and Palatinate-Neuburg began to take control of individual places in the Principality.
The Elector of Brandenburg inherited the Duchy of Prussia upon Duke Albert Frederick's death in 1618.
January 1619: The Electors of Brandenburg inherited the Duchy of Prussia upon Albert Frederick's death in 1618.
January 1619: Union of Brandenburg and Prussia.
January 1221: Conquests of Albert II, Margrave of Brandenburg, by 1222.
January 1246: Between 1230 and 1245, Brandenburg acquired the remaining part of Barnim and the southern Uckermark up to the Welse river.
January 1251: Around 1250 Brandenburg took over Lubusz Land from then-fragmented Poland.
January 1251: In 1250, the Ascanian margraves Johann I and Otto III of Brandenburg closed the Treaty of Landin with the Dukes of Pomerania. Under this treaty, they received the northern part of the Uckermark (terra uckra), north of the Welse river and the districts of Randow and Löcknitz.
January 1258: Margrave John I founded the town of Landsberg an der Warthe (now Gorzów Wielkopolski) in 1257.
January 1263: The land of Budissin enters the possessions of the Ascanian Margraves of Brandenburg.
January 1266: Neumark is systematically settled by Germans within ca. 1265 (foundation of Falkenburg).
January 1269: In 1268 the county of Wernigerode lost its imperial immediacy because the Margrave of Brandenburg took over the feudal rule.
January 1269: In 1248, the duke of Pomerania transferred part of his land, which also included the Schivelbein area, to Bishop Hermann von Cammin. At the same time, the Brandenburg margraves tried to expand the Neumark, which they ruled, to the north. So it came about that twenty years later the Bishop of Cammin sold the Schivelbein area to the people of Brandenburg.
January 1301: Territorial change based on available maps.
January 1304: Margrave Dietrich IV sold Lausitz in 1303 to the Brandenburg line of the Ascanians.
January 1319: From 1318 Otto of Brunswick owned the castle and the town of Calvörde.
January 1320: After the Brandenburg Ascanians died out in 1319, the Bohemian King John of the House of Luxembourg claimed Upper Lusatia.
January 1320: After thei extinction of the Brandenburg Ascanians in 1319, the main part of Mark Lusatia was acquired by the Wittelsbachs.
January 1324: The Wittelsbach Emperor Louis IV granted Brandenburg to his oldest son, Louis I. Brandenburg thus entered the possession of the Bavarian Wittelsbach.
January 1412: In return for supporting Sigismund as Holy Roman Emperor at Frankfurt in 1410, Frederick VI of Nuremberg, a burgrave of the House of Hohenzollern, was granted hereditary control over Brandenburg in 1411.
January 1416: After Bayreuth prince John III's death on 11 June 1420, the his domains were inherited by his brother Frederick VI of Bayreuth, who had become Elector Frederick I of Brandenburg in 1415.
June 1420: Frederick of Ansbach had become Elector Frederick I of Brandenburg in 1415.
September 1440: Upon the death of Frederick I, Elector of Brandenburg, on 21 September 1440, his territories were divided between his sons; John received the principality of Bayreuth (Brandenburg-Kulmbach), Frederick received Brandenburg, and Albert received Ansbach.
January 1446: Cottbus became part of Brandenburg.
January 1471: Restoration of the personal union of Bayreuth, Ansbach and Brandenburg.
January 1478: Barbara von Brandenbur inherited the Duchy of Crossen.
January 1487: Separation of Bayreuth and Ansbach from Brandenburg.
January 1524: Later, when the Republic of Venice extended its dominion as far as the Lagarina Valley, maintaining it for almost a century, from 1416 until 1509, Rovereto was transformed into a well-equipped strategic border stronghold.
January 1524: In 1523 Georg von Schellenberg sold Jägerndorf to Margrave George the Pious due to financial difficulties.
January 1525: In 1524, the territory of Ruppin became part of the Electorate of Brandenburg after the ruling family became extinct.
January 1525: In 1524, the territory of Lindow became extinct and was transferred to the Electorate of Brandenburg.
December 1526: As early as 1526, Duke Johann II had enfeoffed the Brandenburg Margrave George the Pious of Ansbach with Oppeln. The Habsburgs, who came to power in Bohemia in the same year, confirmed the pledge of Oppeln-Ratibor to George of Brandenburg-Ansbach in the Prague Treaty of June 17, 1531. However, the rule of Beuthen was promised to him on only two heirs.
January 1548: Based on Gustav Droysen's Map of the Holy Roman Empire at the time of the Reformation.
January 1556: As a result of the Reformation, in 1556 the Lebus Prince-Bishopric estates became the property of Margrave Johann von Küstrin from the Hohenzollern family.
January 1572: The Havelberg Bishopric is acquired by the Electorate of Brandenburg.
January 1572: The Brand Prince-Bishopric was secularised as part of Electoral Brandenburg 1571.
Disestablishment
January 1619: Union of Brandenburg and Prussia.
January 1619: The Electors of Brandenburg inherited the Duchy of Prussia upon Albert Frederick's death in 1618.
Selected Sources
Droysen, G. (1886): Historischer Handatlas, Bielefeld and Leipzig (Germany), p. 26-49
Droysen, G. (1886): Historischer Handatlas, Bielefeld and Leipzig (Germany), pp. 38-39
Strakosh-Grassmann, G. (1893): Der Einfall der Mongolen in Mitteleuropa in den Jahren 1241 und 1242, Innsbruck (Austria), pp. 53-67