In a 1957 military order of "Things to Do Under Atomic, Biological, or Chemical Attack", there is an interesting guide on how to survive a nuclear attack in the age of nuclear anxiety.

Since the invention of gunpowder, militaries of the world have utilized cannons to strike at fortifications and large enemy concentrations.

Did you know that prior to the bombing of Pearl Harbor (December 7, 1941), the United States Army decided to create a division specifically for battle in cold, snowy regions?