Gold-inlaid Colt Model 1851 Navy Revolver (serial no. 20133), with Case and Accessories https://www.rawpixel.com/image/9186333/photo-image-paper-aesthetics-frameFree Image from public domain licensePresident of Ukraine, Volodymyr Zelenskyy. Original public domain image from Flickr https://www.rawpixel.com/image/9648660/photo-image-face-hands-personFree Image from public domain licenseAn available candidate--the one qualification for a Whig president (1848) by Nathaniel Currier, https://www.rawpixel.com/image/8648934/image-art-vintage-public-domainFree Image from public domain licenseGeorge IV of the United Kingdom as the Prince Regent, circa 1814. He served as king of the United Kingdom of Great Britain… https://www.rawpixel.com/image/7665915/image-art-vintage-public-domainFree Image from public domain licenseThe death of President Andrew Jackson in Washington, 1845. Coloured lithograph. https://www.rawpixel.com/image/13970038/the-death-president-andrew-jackson-washington-1845-coloured-lithographFree Image from public domain licensePresident Joe Biden aboard Marine One flies over the National Mall in Washington, D.C., Monday, September 20, 2021, en route… https://www.rawpixel.com/image/9653124/image-plant-person-grassFree Image from public domain license