The following events were published by DC Comics in the year 1973. This does not necessarily indicate that these storylines took place in the year 1973. The passage of time in the DC Universe is nebulous and subject to change and interpretation. Events from historical time periods are indexed under their corresponding years.
- Sam Simeon, a gorilla from Gorilla City with the mental ability to influence the minds of others, escapes from Gorilla City and soon encounters scientist Theo O'Day and his daughter Angel who befriend him and take him to their home.