9/11 Never Forget 10th Anniversary Twin Towers WTC Memorial T-Shirt In Remembrance. This WTC 9-11 memorial t-shirt displays with honor the remembrance of 10th anniversary of the most tragic event in US history. Ten years after 9-11 all Americans are still united as one and we will never forget. This t-shirt is the perfect way to show your support to commemorate the tragedy of that sunny day in September. This design also comes in a Hoodie