Question: When did the person who ruled over Per Stålhammar have rule?
Sentence (from "Gustavus Adolphus of Sweden"): Gustav II Adolf (9 December 1594 – 6 November 1632, O.S.), widely known in English by his Latinised name Gustavus Adolphus or as Gustav II Adolph, was the King of Sweden from 1611 to 1632 and is credited as the founder of Sweden as a Great Power (Swedish: "Stormaktstiden" ).
Relevant evidence: Yes