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- IV. ALBA igre 2011.
- IV. Igre malih država Europe - Andora 1991.
- IV. Mediteranske igre - Napulj 1963.
- IV. Olimpijske igre - London 1908
- IV. Olimpijske igre - London 1908.
- IV. Zimske olimpijske igre - Garmisch-Partenkirchen 1936
- IV. Zimske olimpijske igre - Garmisch-Partenkirchen 1936.
- IV. gimnazija u Zagrebu
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- IV. zona nogometnog prvenstva NR Hrvatske 1948./49.
- IVF
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- IX. Mediteranske igre - Casablanca 1983.
- IX. Olimpijske igre - Amsterdam 1928
- IX. Olimpijske igre - Amsterdam 1928.
- IX. Zimske olimpijske igre - Innsbruck 1964
- IX. Zimske olimpijske igre - Innsbruck 1964.
- IX. bojna "Rafael vitez Boban"
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- IX - Everyone, Everything, Everywhere, Ends
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- I Zimske Olimpijske igre, 1924, Chamonix
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