January 1 – PresidentAndrej Kiska in his New Year's speech stressed need to fight corruption, need for political activism, reducing bureaucracy. Kiska also described situation in Ukraine as a breach of Ukrainian territorial sovereignty and interference with the political independence of the country.
February 1 – Regulation No. 1 of 2015 of the Slovak Republic Ministry of Interior on granting state citizenship of the Slovak Republic for specific reasons came into force. The regulation allows granting the citizenship to former Slovakia's citizens who lost citizenship after January 1, 1993, including those, who lost citizenship due to acquisition of foreign country's citizenship, under the Act No. 250/2010 Coll. of laws Amending and Supplementing the Act No. 40/1993 on State Citizenship