In college, I gained a strong interest in the German Empire. This is basically from an old paper I did on the German Empire, trying to understand the truth of the Empire and to stop mockery of me.
To me, symbols have always had strong spiritual significance, they help identify who you are. Perhaps this list of mine will inspire you to go out and find the symbols that best represent you.
Warhammer 40K is often associated with it's famous table top games, set in a very dystopian far future. Which faction you choose says a lot about what you believe. Imperial Factions will be split.