I don't think a single fella from any country knows Phil-American war
What’s an underrated war that isn’t talked about

Many people overlook the Iran-Iraq War (1980–1988), despite its importance and breadth. Trench warfare, chemical weapons, and significant casualties were all part of this eight-year conflict. It caused long-term instability in the region and influenced Middle Eastern politics. It deserves more attention in war studies and historical debates.
I enjoy the Winter War and Continuation War, but Finland is often overlooked because of WW2