Holidays in Croatia - Day of International Recognition of Croatia
Celebrated on 15 JanuaryHolidays in Croatia - Day of International Recognition of Croatia
Other holidays on 15 January
- Holidays of Russia - Day of formation of the Investigative Committee of the Russian Federation
- International holidays - Wikipedia Day - the world's most famous online encyclopedia (Wikipedia Day)
- Russian Holidays - Day of the General Staff of the Russian Navy
- Funny Holidays - Day of the Search for the Missing Echo
- Egyptian Holidays - Arbor Day in Egypt
- Indian Holidays - Army Day in India
- According to the folk calendar - Sylvester Day (Chicken Festival)
- Martin Luther King Day in the USA
- Blue Monday
- Memorial Day of St. Seraphim of Sarov
- Memorial Day of St. Sylvester of Pechersk
- Memorial Day of Righteous Juliana Lazarevskaya