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People: Diogo Gomes

Internal strife has seriously weakened the Mongol …

Years: 1480 - 1491

Internal strife has seriously weakened the Mongol khanates by the last quarter of the fifteenth century.

Grand Prince Ivan III therefore challenges their overlordship by refusing the tribute in 1480.

He repels the answering invasion to finally liberate Moscow from Tatar domination.

Later this year, he quells a rebellion in Moscow itself.

After achieving victory in the fierce civil war, Ivan eliminates a main rival at Tver in 1485 and wins over most small independent Russian princes to emerge as the sole ruler in central Russia.