Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: We now call it the First World War or World War One, but is this really an accurate description? Was it really a global war? And was it really the "first"?

WW1: Was it really the first world war?