28
May |  Austria | German, Wilhelm |  Croatia | German, Velimir, Vilim |  Czechia | Vilém |  Denmark | Vilhelm |  Estonia | Roman, Roome, Roomet, Roomo |  Finland | Alma |  France | Germain |  Germany | Wilhelm |  Hungary | Csanád, Emil |  Italy | Emilio |  Latvia | Vilhelms, Vilis, Villija |  Lithuania | Jogirdas, Justas, Rima |  Norway | Wilhelm, William, Willy |  Poland | Augustyn, German, Jaromir, Priam, Wiktor, Wiktoriusz, Wilhelm, Wrócimir |  Romania | Nichita |  Slovakia | Viliam |  Spain | Emilio, Germán, Guillermo |  Sweden | Borghild, Ingeborg |
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