September 11 is National Day of Service and Remembrance. (9/11 Day).

September 11, 2021, marks the 20th Anniversary of terrorist attacks on the World Trade Center that took the lives of 2,977 men, women and children and injured thousands at the World Trade Center, the Pentagon and in Somerset County , Pennsylvania. The United States and other countries around the globe will pause to remember that tragic day with commemorations at all three sites.