PHOENIX - Saturday marks 20 years since nearly 3,000 people were killed in the deadliest terrorist attack ever perpetrated on U.S. soil.

A variety of tributes are scheduled across metro Phoenix this week to remember the lives lost on Sept. 11, 2001, and honor the sacrifices of first responders.

Click the flags on the map below for descriptions of commemorative events taking place in the Valley plus links to more information.

If you have an event you would like to submit, please email us at [email protected].