''Monolith Day''

Its not a word but:

The Monolith day, more known as Монолит, is the day to ''Praise the Monolith''.

S.T.A.L.K.E.R.s, on 28 of December, should pray the Monolith and they can't do anything about it.
Enjoy the day, S.T.A.L.K.E.R.s .

''Монолит Day'' 3a Монолит: ''Monolith Day'' The Monolith