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Reference work · Reference work
Karl X Gustav
Stellan Dahlgren, Karl X Gustav, Svenskt biografiskt lexikon, bd 20, Svenskt biografiskt lexikon (Riksarkivet), 1973–1975, s. 641
- URL
- https://sok.riksarkivet.se/sbl/Presentation.aspx?id=12355 (accessed 2026-09-23)
- Archived copy
- https://web.archive.org/web/20260831232445/https://sok.riksarkivet.se/sbl/Presentation.aspx?id=12355
The entry on Charles X Gustav in the Swedish Biographical Dictionary (SBL, urn:sbl:12355), read in the Riksarkivet database. It gives dates in the Julian calendar then used in Sweden; potop.org converts them to Gregorian.