Both stories were written and published in 1843.
- Tell-Tale Heart: First published in January 1843 in The Pioneer: A Literary and Critical Magazine (Boston), with a revised version appearing in the Broadway Journal in 1845. Publication details commonly cited place the initial appearance in January 1843.
- The Black Cat: First published in August 1843 in The Saturday Evening Post, with later reprintings in 1843 in other newspapers and continued interest thereafter.
If you’d like, I can provide exact dates and publication context from specific editions.
