Eschaton (Noun) - From Ancient Greek ἔσχατον (eskhaton), neuter singular of ἔσχατος (eskhatos, “last”). (New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives. (literally) the last; used in theology to refer to the world's state during the posthistoric era of God's overt (apocalyptic) reign, immediately preceding the end of the world.
Celebration (Noun) - The formal performance of a solemn rite, such asChristian sacrament - The observance of a holiday or feast day, as by solemnities - The act, process of showing appreciation, gratitude and/or remembrance, notably as a social event.- A socathering for entertainment and fun; a party.