The Martian War…

https://archive.org/details/TheGreatMartianWar19131917.Mister.X

The Great Martian War is a documentary about the Martian Invasion of the world, and the ensuing war to stop them, during the period of 1913 to 1917.  It identifies military strategies, weaknesses, public reaction to the invasion . . . as well as studies the Martian goals, plans, and how their military machines, “the Tripods” work.