18
April |  Austria | Werner, Wigbert |  Bulgaria | Viktor, Viktoriya |  Croatia | Atanazija, Eusebije, Hermogen, Roman |  Czechia | Valérie |  Denmark | Eleutherius |  Estonia | Valdek, Valdeko, Valdemar, Valdo, Valdu, Valdur, Valmar, Valmer, Voldemar, Volli, Volmer |  Finland | Valdemar, Valto |  France | Parfait |  Germany | Werner |  Hungary | Andrea, Ilma |  Italy | Galdino |  Latvia | Dana, Hildegarde, Jadviga, Laura, Nameisis |  Lithuania | Apolonijus, Eitvilas, Girmantė, Undinė |  Norway | Eilen, Eilert |  Poland | Apoloniusz, Bogusław, Bogusława, Flawiusz, Gościsław |  Romania | Ioan |  Slovakia | Valér |  Spain | Perfecto |  Sweden | Valdemar, Volmar |
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