Good point.
That's why the war that finally put an end to slavery in the United States is still known as
The War of Northern Aggression. (See also
Rebekah Colburn, writing in 2017, and
Gabriel Andrade, also writing in 2017. The comments on Rebekah Colburn's essay are worth noting; many interestingly named readers said "Really informative article, I had the opportunity to learn a lot, thank you." before plugging their web sites.)
Edited to add: Furthermore, this taxonomic phenomenon explains why the war discussed within this thread is known by different names in different countries, among them Ukraine and Russia.