18
October |  Austria | Gwenn, Justus, Lukas |  Bulgaria | Zlata, Zlatan, Zlatka, Zlatko, Zlatomir |  Croatia | Flavijan, Justus, Luka, Lukša |  Czechia | Lukáš |  Denmark | Lucas |  Estonia | Ludvig, Lui, Luukas |  Finland | Luka, Luukas, Säde, Satu |  France | Luc |  Germany | Lukas |  Greece | Loukas |  Hungary | Lukács |  Italy | Luca |  Latvia | Lūkass, Rolands, Ronalds |  Lithuania | Kęsmina, Liubartas, Lukas |  Norway | Kjersti, Kjerstin |  Poland | Julian, Łukasz, René |  Romania | Luca |  Slovakia | Lukáš |  Spain | Lucas |  Sweden | Lukas |
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