It is mostly used in terms of a militaristic concept (as it was when it was first coined), Richard Freund (a journalist) used the term as a call to war,[1] he talks of Hitler's occupation of the Rhineland, and the Spanish civil war pushing the world to the edge, and, then he says "The next flash may be the signal. It is Zero Hour".[1] Not only was it used in militaristic terms, it also suggests a call to action, Erika Mann says "And one man should be forbidden to entreat you: 'Act!