20 years have passed since the unimaginable terror attacks of 9/11. Our country, our world, and our lives were forever changed that day. The images are etched in our minds... So many lives were lost... 20th Anniversary Commemoration | National September 11 Memorial & Museum Please share your experiences of that day the days that followed. Where were you? What were you doing? Who did you call? Who did you hug? We will never forget...Thank you to all who make personal sacrifices to protect us and our freedom.