The following events were published by DC Comics in the year 1967. This does not necessarily indicate that these storylines took place in the year 1967. 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.
Pre-Crisis: Tara Markov is born in Markovia. She will one day become the teen super-villain Terra. Note: Date is approximated based on the fact that Terra is sixteen-years old in publishing year 1983. In Post-Crisis continuity, she would have been born much later in order to keep her young per modern chronology standards.
A man posing as an alien Vrag-Krol attempts to conquer the world by stealing their military weapons. Metamorpho, Simon Stagg along and the U.S. army foils Vrag-Kol's plan by destroying the specific weapons that he coveted.
Aqualad meets Tula, the Aquagirl for the first time. The teens fall prey to the hypnotic effects of Dr. Dorsal who has them commit crimes for him. They eventually break free of the hypnosis, but Dorsal gets away.
The alien Thunderer and his emissary Neutrog come to Earth intent on conquering it. Neutrog hits Metamorpho with an atomic pile that makes him radioactive. Too dangerous to remain on Earth, Metamorpho is forced to exile himself into outer space.
The Thunderer sends Metamorpho and Element Girl into a sub-atomic world where their bodies are separted into various pieces. They eventually reconstitute themselves, return to Earth and defeat the Thunderer. Members of the Thunderer's race arrive to take him away.