Why does 911 happen every year?

The 911 attacks, which occurred on September 11, 2001, are commemorated every year to honor the nearly 3,000 victims and to reflect on the impact of terrorism on society. The date serves as a reminder of the resilience of the affected communities and the ongoing efforts to improve national security. Annual observances also encourage collective healing and remembrance, ensuring that the lessons learned from the tragedy continue to resonate.