Original sentence: It is the site of some of the country's largest celebrations in size, including ticker-tape parades for returning astronauts and the celebrations in Times Square of the end of World War II, but has also seen tragic times, such as the September 11, 2001 attacks
Edited sentence: It is the site of some of the country's greatest celebrations, including ticker-tape parades for returning astronauts and the celebrations in Times Square of the end of World War II, but has also seen tragic times, such as the September 11, 2001 attacks