Metro Atlanta will come together on Tuesday, September 11, 2023, to commemorate the 20th anniversary of the 9/11 terrorist attacks. Events will be held throughout the city, including a ceremony at the World Trade Center Memorial in Kennesaw, a moment of silence at 8:46 a.m., and a concert at Centennial Olympic Park. The city will also honor the local heroes who responded to the attacks and continue to serve our community.