I don't have sufficient context provided to write an accurate overview of "Category:Categories by year." To write accurately based only on what you've provided, I would need more specific information about what this category contains, how it's structured, or what its purpose is on Wikimedia. Could you provide additional details about this category?
AI-generated from the Wikipedia summary — may contain errors.
via Wikidata · CC0
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).