War movie
A war movie is a genre of movie where a war or an armed conflict plays an important part in the movie. In most of the scenes, the actors, will play in a scenario, which is affected by war. War movies usually show modern wars; unlike other genres, which may show older conflicts. The first war movie was Sea Fighting in Greece, by Georges Meliès, of 1897.  It is set in the Greco-Turkish War (1897). Documentaries about wars are not war movies.