Electorate of Saxony (Wettines)
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In the Golden Bull of 1356, Emperor Charles IV designated the Duchy of Saxe-Wittenberg an electorate, a territory whose ruler was one of the prince-electors who chose the Holy Roman emperor.
Establishment
January 1356: Elevated to the Electorate of Saxony by the Golden Bull of 1356.
Chronology
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Was signed on 11 November 1485 between Elector Ernest of Saxony and his younger brother Albert III, the sons of Elector Frederick II of Saxony from the House of Wettin, that perpetuated the division of the Wettin lands into a Saxon and a Thuringian part.
November 1485: After the 1485 Treaty of Leipzig, Thuringia split into the Saxon Ernestine duchies ruled by Elector Frederick III and the Albertine duchies ruled by Duke Albert III of Saxony.
January 1419: In 1418, the territory of Gommern was pledged to the Magdeburg Archbishopric. This arrangement lasted until 1539, when the territory was returned to its original owners. The Magdeburg Archbishopric was led by Archbishop Günther II von Schwarzburg during this time.
January 1424: The Margrave of Meissen purchased Saxony, becoming Elector of Saxony.
January 1449: Schönburg-Hoyerswerda 1448:is Annexed by Saxony.
January 1467: The Meissen Burgraviate lost Plauen, Pausa, Gefell, and Graßlitz to Saxony.
January 1467: The Vogtland Margraviate is acquired by the Electorate of Saxony (Wettines) led by Saxon Elector Ernst.
January 1470: 1469 The nobility of Torgau dies out around 1469 with Boto von Torgau's son Hanns. The Lordship was acquired by Saxony.
January 1474: After the death of the last Waldenburg resident, the property fell to the sovereigns, the Wettin family, as a settled fief in 1473.
January 1478: Based on Gustav Droysen's Map of the Holy Roman Empire in the XV century.
January 1483: After the death of the Landgrave of Thuringia and Margrave of Meissen, in 1482 Saxon Elector Ernest inherited the landgraviate, uniting the Wettin lands under his rule.
Disestablishment
November 1485: After the 1485 Treaty of Leipzig, Thuringia split into the Saxon Ernestine duchies ruled by Elector Frederick III and the Albertine duchies ruled by Duke Albert III of Saxony.
Selected Sources
Droysen, G. (1886): Historischer Handatlas, Bielefeld and Leipzig (Germany), pp. 34-35