While friends and loved ones of those killed in the terror attacks on Sept. 11, 2001 are gathering at Ground Zero in New York City to commemorate the 12th anniversary of the attacks, there will also be several ceremonies taking place in the Valley on Wednesday.
An American flag that flew over Ground Zero during the rescue and recovery operation will be posted in Phoenix today, marking the attacks on American soil.
That ceremony starts at 9:30 a.m. at City Hall with Vice Mayor Bill Gates and other city leaders scheduled to attend.
In Scottsdale, a first-responder memorial, unity flag and posters will be on display at the Scottsdale Center for Performing Arts. A reading of names of those who died will be at 1:30 p.m.
There is also a huge display of flags at Tempe Beach Park to honor those who lost their lives in the attacks.
At Grand Canyon University, a huge memorial on campus for students, faculty and the public will also feature more than 3,000 flags on the quad.
A Phoenix police and Phoenix Fire Department honor guard will be posted at the memorial event, while the names of every 9/11 victim, as well as the Arizona service members lost since 2001, are read through the morning.
Flags on Arizona government buildings will fly at half-staff on the 12th anniversary of the terrorist attacks.
Gov. Jan Brewer ordered U.S. flags at the State Capitol and all state public buildings lowered Wednesday from sunrise until sunset.
The governor also says she encourages businesses and other organizations to pay similar tribute to victims and first-responders.
More than 3,000 people died when hijacked jets crashed into the World Trade Center in New York City, the Pentagon in Washington, D.C. and into a field near Shanksville, PA.
Copyright 2013 CBS 5 (KPHO Broadcasting Corporation). All rights reserved. The Associated Press contributed to this report.