Polity Grand Duchy of Tverskoe

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Was one of the many Russian Principalties that existed in the Middle Ages and were later inglobated either into Russia or Lithuania.

Establishment

  • January 1383: The change took place in connection with the events of 1382, when the Tver principality gained independence from the Grand Duchy of Vladimir, which merged with the Moscow principality, and the Tver princes received the right to independent relations with the Horde.

Chronology

Interactive Chronologies with maps are available in the section Changes Navigation

1. Russo-Kazan Wars

Was a series of wars fought between the Grand Duchy of Moscow and the Khanate of Kazan from 1439, until Kazan was finally conquered by the Tsardom of Russia under Ivan the Terrible in 1552.

1.1. Wars of Ivan III

Russian military campaign against the Khanate of Kazan by Ivan III.

  • January 1484: Principality of Tver conquered by Grand Duchy of Moscow.

2. Further events (Unrelated to Any War)

  • January 1426: After the death of Vassily Kashin, the Kashin Principality reverted back to the Tver principality.
  • January 1427: In the 1426 year after the death of the Grand Duke of Tver Yuri Alexandrovich, the Zubtsovsky Principality became an independent principality.
  • January 1436: In 1435, the Gorodenskoe Principality was annexed by the Grand Duchy of Tverskoe.
  • January 1461: After Ivan Yuryevich died - about 1460  - childless, Zubtsov returned to the Tver Grand Duchy.

Disestablishment

  • January 1484: Principality of Tver conquered by Grand Duchy of Moscow.