One unique and meaningful idea could be a custom Civilization V map centered around the couple's favorite locations, such as where they first met or got engaged. You could also consider a personalized "Civilization V" inspired art or poster that features their names as leaders of their own empire. Another option could be a board game that involves strategy and decision-making elements similar to Civilization V. Lastly, you could consider gifting them a trip to a historical site or location related to civilization and history that they could visit together.
Or you can get her/him a star map with the date of the wedding.
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.