Christopher Columbus
A Currier & Ives lithograph, published in New York about 1876. The title reads, 'The landing of Columbus at San Salvador, October 12, 1492.'
Note the flag with the initials F and Y topped by crowns. Those were the initials of King Ferdinand and Queen Ysabella (the original Spanish spelling of Isabella).
Image from the U.S. Library of Congress, Prints and Photographs Division. Digital ID: cph 3c05062