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Name days
Name: Nikolai
| Country | Month | Day | Name days |  Bulgaria | December | 6 | Nikola, Nikolai, Nina, Kolyo, Nenka, Niko, Nikolay, Nikolina, Nitza |  Estonia | December | 6 | Nigulas, Nigul, Nikolai, Niilas, Niilo, Nils, Klaus, Laas, Laus |  Norway | December | 6 | Nikolai, Nils |
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