Action Comics #1 was published on April 18th, 1938*... 88 years ago today!

Several characters debuted within that issue's 68 pages. Most notably, Jerry Siegel and Joe Schuster's strange visitor from another world, Superman, made his first appearance. It was the lead-off story, taking up the first 12 pages.

So, happy publication day Superman. You're looking swell, you big blue boy scout!

*cover date of June 1938