>"Most iconic" in the Western world is just because, like I argued, the Eastern Front is way less known and depicted in movies. It's almost the definition of "lesser known", of which there are many reasons (Cold War thinking being a big reason initially). Overlord is more iconic in the West because it has been brought to the forefront in multiple accounts, movies and games.

I don't think it is just Eastern Front, the Chinese Theatre and War in Pacific get far less attention as well. I'm Australian and we learn a little bit about it in history class at school but there are no movies or books about relatively momentous things like Fall of Singapore etc.