FIFA's World Cup 2018 takes place from 14 June until 15th July 2018 in Russia.
Many amateur radio special event stations have already started their activity on the bands since early June.
From Russia, calls will be active denoting the participating teams, e.g. R18ARG, R18AUS, R18BE, as well as callsigns referring to the host cities, e.g. RC18EK, RC18KA, RC18MO etc.
Participating nations and other countries will be joining in with many more special event calls, e.g. DJ18FWC, VR2FIFA, YW18FIFA, A60FIFA etc. An award will be available as well.
More information - http://fwc18.hamlogs.net/?locale=en