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Data

Name: Tonna County

Type: Polity

Start: 1090 AD

End: 1342 AD

Statistics

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Icon Tonna County

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Was a county of the Holy Roman Empire.

Establishment


  • January 1090: In the area around Tonna north of Gotha, there is evidence that the Counts of Tonna and later Counts of Gleichen ruled from the end of the 11th century. Their headquarters was the castle chain Castle in Graefentonna. Count Erwin I († 1116) was mentioned in 1089 as the first regent, who called himself "Count of Tonna" after the ancestral seat of Tonna.
  • Chronology


    Interactive Chronologies with maps are available in the section Changes Navigation

    1. Events


  • January 1101: In the area around Tonna north of Gotha, there is evidence that the Counts of Tonna and later Counts of Gleichen ruled from the end of the 11th century. Their headquarters was the castle chain Castle in Graefentonna. Count Erwin I († 1116) was mentioned in 1089 as the first regent, who called himself "Count of Tonna" after the ancestral seat of Tonna.

  • January 1229: Gleichen County is partitioned from Tonna.

  • January 1229: Gleichenstein County is partitioned from Tonna.

  • Disestablishment


  • January 1343: In 1342, the counts of Tonna became vassals of the Wettin Margraves of Meissen. The Wettin dynasty was a powerful German noble family that ruled over various territories in the Holy Roman Empire during the Middle Ages. The Margraviate of Meissen was one of their important domains.
  • January 1343: In 1342, the counts of Tonna became vassals of the Wettin Margraves of Meissen. This was a significant event in the history of the Landgraviate of Thuringia, as it marked a shift in power dynamics within the region.
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