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From Wikipedia:
https://en.wikipedia.org/wiki/Croatian_kuna

The kuna (Croatian pronunciation: [kǔːna]; sign: kn; code: HRK) was the currency of Croatia from 1994 until 2023, when it was replaced by the euro.

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Records exist from the Middle Ages of a tax and/or a currency in the then highly valued marten [(cro. kuna)] skins…

…In 1941, when the Ustaše [was a Croatian fascist and ultranationalist organization] regime formed the Independent State of Croatia, they used the kuna as its currency. It remained in circulation until 1945, when Croatia became part of SFR Yugoslavia and the Yugoslav dinar became the official currency.

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The modern kuna was introduced on 30 May 1994….

The kuna was replaced by the euro on 1 January 2023 after satisfying prerequisites as the initial time estimate of standard four years after joining the European Union proved too short.

Timeō Danaōs et dōna ferentēs