WATCH: White House Press Secretary, Sean Spicer, made the bizarre claim while comparing Syrian President Bashar al-Assad to Adolf Hitler stating that, Assad is even worse because Hitler, "didn't even sink to using chemical weapons."

This triggered a firestorm of reporters pointing out the Nazi's use of chemical weapons in WWII.

First, let's break down the definition of a chemical weapon:

1. "Chemical Weapons" means the following, together or separately:

(a) Toxic chemicals and their precursors, except where intended for purposes not prohibited under this Convention, as long as the types and quantities are consistent with such purposes;

(b) Munitions and devices, specifically designed to cause death or other harm through the toxic properties of those toxic chemicals specified in subparagraph (a), which would be released as a result of the employment of such munitions and devices;