How about getting him a DVD set of his favorite historical movies? Some great options include "Saving Private Ryan," "Braveheart," "Schindler's List," "The Imitation Game," "Lincoln," "The Last Samurai," and "Gladiator." Additionally, if your dad is into reading, you could also get him a historical book that he may enjoy reading. Some popular options include "Band of Brothers" by Stephen E. Ambrose, "1776" by David McCullough, and "The Guns of August" by Barbara Tuchman.
Or you can get him a star map with an important date you share.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.