- Congress of Visegrád (1335)
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The first Congress of Visegrád was a 1335 summit in Visegrád in which Casimir III of Poland, Charles I of Hungary, and John I of Bohemia formed an anti-Habsburg alliance. John gave up his claims to the Polish throne in exchange for 20,000 Prague groschen and the recognition of his suzerainty over Silesia.
See also
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