The 9/11 terror attack on American soil resulted in a collective trauma to the western world. The world learned many hard lessons, and it has started moving in a different trajectory since then. And, one good thing that happened is that in the last 20 years, there have been dramatic innovations in the treatment of trauma and post-traumatic stress disorder (PTSD). More.

As the 20th anniversary of 9/11 passed, the five men accused of responsibility for the attacks were still awaiting trial in the Guantanamo military commission. This case is the largest criminal prosecution in U.S. history in terms of number of victims. More.

New York Mets alumni were back in Queens Thursday – 20 years after the Amazins hosted the Big Apple’s first game since the terrorist attacks changed the city forever. Former manager Bobby Valentine and some of his old squad came to CitiField for the 20th annual gala for Tuesday’s Children, a nonprofit that helps 9/11 families and other groups affected by terrorism and military conflict. More.

Town Manager Norman Khumalo is pleased to share a video of the Town of Hopkinton’s 9/11 Memorial Service in commemoration of the 20th anniversary of the Sept. 11, 2001 terrorist attacks. Held on the Town Common, Town officials, the Veterans Celebration Committee, American Legion Post 202, Old Guard New England, residents and other guests gathered to remember all those lost on Sept. 11, 2001 and in the global war on terrorism.

On the night of Sept. 11, 2001, hours after the attack on the World Trade Center, Kurt Rimmel was at Ground Zero. As a grip in the movie industry, he and some co-workers were asked to provide production lights at the site in an effort to find survivors. Rimmel told News 12 New York that among all the debris, one item stood out. It was a photograph of a young boy in a wooden frame. More.

Sept. 11, 2001, is a day many will never forget. But Leopold Poje Jr. will never forget the days that followed, either. On Sept. 12, 2001, Poje — then a senior New York City police sergeant — helped provide services to family members of the more than 300 firefighters who died in the terrorist attacks. More.

September 11, 2001, without a doubt, changed America as we once knew it. When those planes crashed, the world paused, leaving everyone unsure of what to do, or how to feel safe again. More.

Speaking at the 9/11 Memorial & Museum in downtown Manhattan where the twin towers once stood, Mr. Voronkov, highlighted the significance of the commemoration. More.