Day of the Tentacle is released
LucasArts released Day of the Tentacle (Maniac Mansion II) on June 25, 1993 — Tim Schafer and Dave Grossman's time-travel comedy, still hailed as one of the greatest adventure games ever made.
Source: Wikipedia — Day of the Tentacle: 'Release June 25, 1993 — Mac OS, MS-DOS NA: June 25, 1993'