King Gustav II Adolf of Sweden at the Battle by Lützen November 16th, 1632 by Jan Asselijn https://www.rawpixel.com/image/8924725/image-art-vintage-public-domainFree Image from public domain licenseA medieval ship flag captured from a Danish ship by forces from Lübeck in 1427 displaying the arms of Denmark, Sweden… https://www.rawpixel.com/image/8324950/image-art-vintage-public-domainFree Image from public domain license