AI overview
I cannot provide an accurate overview based on the context given. "1552" as a year requires specific historical events to discuss meaningfully, but you've only indicated the category is "year" without providing the historical content or events associated with 1552 that I should cover.
AI-generated from the Wikipedia summary — may contain errors.
Article
September 9: The Siege of Eger begins.
Year 1552 (MDLII) was a leap year starting on Friday of the Julian calendar.