September 11th Historical Events
The keyword phrase "september 11th historical events" functions as a noun phrase. The main point and the grammatical head of this phrase is the noun "events". In this construction, "events" is the core subject. The other words in the phrase serve as modifiers that specify and describe this noun. The word "historical" is an adjective, clarifying the nature of the events. The term "September 11th" is a proper noun that acts as a noun adjunct, functioning like an adjective to specify which particular historical events are the subject of the article. This grammatical structure isolates "events" as the central concept to be discussed. ...