NORTH TEXAS (CBSDFW.COM/AP) – Today North Texans joined America to commemorate the September 11th terror attacks with ceremony, tributes and a new monument to victims.

Thousands of 9/11 victims’ relatives, survivors, rescuers and dignitaries gathered on New York’s World Trade Center memorial plaza to remember the deadliest terror attack on American soil.

President Donald Trump and first lady Melania Trump attended an event at the 9/11 memorial near Shanksville, Pennsylvania. Vice President Mike Pence was at the Pentagon.

Nearly 3,000 people died in the attacks on 9/11, after hijacked planes crashed.

(credit: City of Grapevine/Twitter)

Here in North Texas, flags in the City of Grapevine were lowered at exactly 7:46 a.m. to mark the moment the first plane hit the North Tower of the World Trade Center. There was moment of silence 17 minutes later, to mark the moment the second plane hit.

The Grapevine Fire Department held the ceremony to remember all the lives lost on this day 17 years ago.

A fire bell tolled in memory of the firefighters who never made it home, followed by bagpipes, and a prayer. Those participating in the ceremony included Grapevine firefighters, police, American Airlines employees and a lot of young people.

(credit: City of Grapevine/Twitter)

A special american flag — a Patriot Flag — was also unveiled. Carriers of a 60-foot banner stopped in the city while on a cross country trip to U.S. state capitols, landmarks and memorials.

San Diego firefighter Mitch Mendler is accompanying the Patriot Flag on the journey. “Souls were lost and taken away from their families and we should never forget,” he said. “They made the ultimate sacrifice.”

Other tributes also took place across North Texas.

Prosper: A one-hour September 11 commemoration was held at the newly-opened Town Hall located at 200 S. Main Street. The 9/11 Mobile Memorial, which includes a recovered beam from one of the Twin Towers, will also be on display.

Dallas: The Christian Firefighter Association honored fallen first-responders at Fire Station 18 on North Griffin Street. The ceremony included  breakfast, a guest speaker, formal ceremony and moments of silence at a flag lowered to half-staff.

Fort Worth: The Fort Worth ISD officially observed Patriot Day on campuses across the district. Ceremonies at middle and high schools primarily took place before classes began. The JROTC also has a memorial display in the lobby of the Central Administration Building.

Frisco: The Frisco Fire and Police Departments held a ceremony that began at 7:40 a.m. The event, that included a 21-gun salute, was held at the Frisco Central Fire Station at 8601 Gary Burns Drive.

Mesquite:  The City of Mesquite invited the public to attend their 9/11 Ceremony at Freedom Park at 1527 N. Galloway Avenue. The event included various presentations and musical performances.

Dallas: The Southern Methodist University Police Department and first responders from the surrounding community commemorated 9/11 with a ceremony held at the flagpole on SMU’s Main Quad. The SMU Young Americans for Freedom will also host a memorial from 5:30 to 6 p.m. in front of Dallas Hall.