Tuesday marks the 17th anniversary of the worst terrorist attack in American history.

Events across the Tennessee Valley will honor those who lost their lives on September 11, 2001.

CRY OUT AMERICA - PATRIOT DAY 9-11

In Chattanooga, the Scenic City Women's Network will host Cry Out America - Patriot Day 9-11. The program will take place at the Hamilton County Courthouse from noon to 12:45 pm.

"Our dignitaries and community leaders will gather to pray for our city, state and nation," a spokesperson for the event said.

Prior to the noon program, they will meet at 10:30 am for a Prayer Walk in the downtown area.

In the event of rain, the program will be moved to Second Presbyterian Church in the 700 block of Pine Street.

FREE DENTAL WORK FOR MILITARY MEMBERS

A Scenic City dentist will be providing free dental work for active and retired military members and their immediate family. Smiles of Chattanooga will offer free cleanings, extractions and fillings.

Those interested are asked to call 423-894-5725 to make a reservation. The dentist will be open from 8:00 am to 5:00 pm.

For more information, visit Smiles of Chattanooga's Facebook page.

UTC REMEMBRANCE RUN

UTC's Army ROTC program is holding an 11 hour remembrance run/walk.

The event will last until 5:00 pm Tuesday. During this time, everyone is invited to stop at Chamberlain Field, check out the American flag and take a lap.

FREE SANDWICHES FOR FIRST RESPONDERS

Mission BBQ in Chattanooga will give first responders a free sandwich Tuesday in honor of September 11.

"We remember the service and sacrifice of the brave men and women from numerous Fire, Police and First Responder Departments, and we dedicate this day to their memory. We thank them for their continued dedication and loyalty," a company spokesperson said.

The restaurant will be open from 11:00 am-9:00 pm. At noon, they will have a live singing of the National Anthem.

CRY OUT AMERICA - BRADLEY COUNTY

Cry Out America is taking place at noon Tuesday in Cleveland at the Bradley County Court House.

The public is invited to attend the remembrance event, which will last for one hour.

"Join us in prayer for your friends and family members who are called to work in the marketplace – in any form of business," an event spokesperson said.

WALKER COUNTY 9/11 REMEMBRANCE SERVICE

In Walker County, a public remembrance service will take place on the steps of the Walker County Courthouse in LaFayette.

The service will be led by Walker County Emergency Services and will begin at 8:30 am. The service will include a ringing of a bell at 8:46 am and 9:03 am. This will "signify the moments when two hijacked planes crashed into the World Trade Center."

LaFayette High School students who are involved in the JROTC and chorus programs will participate in the service. Walker County Fire Chief and Emergency Management Director Blake Hodge, LaFayette Fire Services and Emergency Management Director Stacy Meeks and Walker County Sheriff Steve Wilson will also be in attendance.

A proclamation recognizing Tuesday, September 11, 2018, as Patriot Day in Walker County was recently signed by Walker County Commissioner Shannon Whitfield.