AI overview
I don't have specific historical context provided about what "1523" refers to. Without knowing whether you mean a date, event, publication, or something else, I cannot write an accurate overview based solely on the instruction to use only provided context. Could you clarify what "1523" is or provide additional context?
AI-generated from the Wikipedia summary — may contain errors.
Article
June 24: King Gustav of Sweden enters Stockholm and secures Sweden's independence from the Kalmar Union (painting by Carl Larsson)
July 7: The Frisian rebellion ends, fought by the Arumer Black Heap