The keyword term "patriot day date" functions as a noun phrase. Within this phrase, "Patriot Day" itself is a proper noun (specifically, a compound proper noun referring to a designated observance), and "date" is a common noun specifying the particular calendar day associated with this observance. Together, they form a nominal unit referring to the specific calendar day of Patriot Day.
Patriot Day is an annual observance in the United States designated to commemorate the nearly 3,000 lives lost in the terrorist attacks of September 11, 2001. The established date for this remembrance is September 11th of each year. This date was officially designated through a joint resolution of the U.S. Congress and signed into law by President George W. Bush in December 2001, as Public Law 107-89.
On Patriot Day, the President of the United States issues a proclamation, urging government agencies, interested organizations, and the people of the United States to observe a moment of silence beginning at 8:46 a.m. Eastern Daylight Time, which marks the time the first plane struck the World Trade Center. Americans are also encouraged to display the U.S. flag at half-staff from their homes and places of business in remembrance of the victims and to honor the resilience of the nation.
