The keyword phrase "Patriot Day and National Day of Service and Remembrance" functions grammatically as a proper noun. It is the official and complete title for a specific, singular day of observance in the United States. As a proper noun, it names a unique entity, requiring capitalization and serving as the subject or object within a sentence.
This phrase is a compound proper noun, formed by joining two distinct titles with the conjunction "and": "Patriot Day" and "National Day of Service and Remembrance." In both parts, the head noun is "Day." The first part is modified by the adjectival noun "Patriot." The second part is modified by the adjective "National" and the prepositional phrase "of Service and Remembrance," which specifies the day's purpose. The entire construction operates as a single, unified noun phrase that refers to one specific concept.
Identifying this phrase as a proper noun is the main point for an article because it establishes the subject as a formal, officially designated concept. This grammatical classification dictates that the article's focus is on the specific event and its multifaceted identity as defined by its full titleencompassing patriotism, national observance, service, and remembrance. It treats the observance not as a general idea but as a distinct, named entity with a specific history and meaning.
