14 May – The Mi Hazánk party announced the party would be forming the National Legion, a uniformed 'self-defense' group similar to Magyar Gárda, the paramilitary wing of the nationalist Jobbik party, which was banned in 2009.[6][7]
29 May – The Hableány disaster: Hotel ship Viking Sigyn collides with and sinks the cruise boat Hableány in Budapest, underneath Margaret Bridge. 28 people die, mostly South Korean tourists.
20-26 June – Second round of opposition primaries for the Budapest mayoral election. Karácsony (PM) defeats Olga Kálmán (DK) and Gábor Kerpel-Fronius (Momentum).