In the United States, Patriot Day occurs on September 11 of each year, designated in memory of the 2,977 killed in the September 11, 2001 attacks. Most Americans who were alive during the events refer to the day as “Nine-Eleven (9/11)”, “September Eleventh”, or some variation thereof. Initially, the day was called the Prayer and Remembrance for the Victims of the Terrorist Attacks on September 11, 2001.