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</html><thumbnail_url>https://nsk.hr/wp-content/uploads/2024/12/Antiphonarium-Romanum-1725_NSK-Manuscripts-and-Old-Books-Collection.jpg</thumbnail_url><thumbnail_width>1920</thumbnail_width><thumbnail_height>1223</thumbnail_height><description>On 21 February 2025, the National and University Library in Zagreb (NSK) will host the celebration of this year&#x2019;s Library&#x2019; Day and mark 418 years of its existence. The National and University Library in Zagreb Day, NSK Day, is marked in memory of 22 February 1483, the day of the printing of the first book in the Croatian language.</description></oembed>
