Commemorative events for the 23rd anniversary of the 9/11 attacks are being held across the U.S., offering opportunities to remember the nearly 3,000 lives lost and honor first responders. In Upstate South Carolina and Western North Carolina, towns like Belton, Spartanburg, and Clemson are hosting walks, ceremonies, and stair climbs. In Atlanta, events include stair climbs, hikes, and ceremonies with special tributes. Staten Island will have a citywide moment of silence and various memorial ceremonies. In Idaho Falls, a new 9/11 memorial will be dedicated with a special exhibit from the Tunnels to Towers Foundation. Phoenix will see multiple events, including a stair climb at Desert Diamond Arena and the Healing Fields flag memorial.