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Name days
Name: Kasjan
| Country | Month | Day | Name days |  Poland | March | 13 | Bożena, Ernest, Ernestyn, Kasjan, Krystyna, Marek, Roderyk, Rodryg, Rodryk, Trzebisław | | Poland | August | 13 | Diana, Dianna, Gertruda, Helena, Hipolit, Hipolita, Jan, Kasjan, Radomiła, Wojbor | | Poland | December | 3 | Franciszek, Kasjan, Ksawery, Lucjusz, Unimir |
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