How do you say happy new year in yugoslav?

Yugoslavia was a multi-ethnic country with several languages spoken, including Serbian, Croatian, Slovenian, and Macedonian. In Serbian, you would say "Srećna Nova godina," in Croatian, it's also "Sretna Nova godina," in Slovenian, it's "Srečno novo leto," and in Macedonian, you would say "Среќна Нова Година" (Srećna Nova Godina). Each of these phrases conveys the same sentiment of wishing someone a happy new year.