Four months after its reopening, Notre Dame Cathedral hosted an emotional Easter ceremony Friday centered on the Crown of Thorns relic

First lady Jill Biden, Prince William and President-elect Donald Trump were some of the world leaders in attendance to celebrate the iconic French cathedral’s grand reopening.

The first mass is celebrated five years after the devastating fire in the Paris cathedral.

Five years after a fire nearly destroyed the world-famous cathedral, Notre Dame reopened for its inaugural mass.

Five years after Notre Dame Cathedral was damaged in a fire, Ukrainian President Zelenskyy, French President Macron and President-elect Trump met in Paris for the ceremonial opening. 

In a rare moment of unity, world leaders united for Notre Dame Cathedral's reopening five years after a devastating fire.

The French capital will welcome dignitaries like President-elect Donald Trump, first lady Dr. Jill Biden and Britain's Prince William to a ceremony celebrating the iconic cathedral's rebirth.

ABC News’ James Longman is in Paris and describes the long journey it took to get Notre Dame back open again.

The world’s most famous cathedral is set to hold its re-opening ceremony on Saturday, five years after the gothic religious institution caught on fire.

The Notre Dame Cathedral in Paris -- one of the city's most iconic sights -- is set to reopen Dec. 8 to the public after a major fire ravaged the historical site.

The French president took a televised tour of the restored cathedral that was damaged during a 2019 fire.

National Geographic offers a rare glimpse inside Notre Dame before it reopens to the public next month.

A series of events will count down to the iconic Parisian cathedral’s reopening five years after a devastating fire.

ABC News foreign correspondent Tom Soufi Burridge discusses new details revealed for Cathedral Notre Dame’s grand reopening.

Officials in Paris announced the Notre Dame Cathedral will hold a grand reopening ceremony on Dec. 7 after it finishes its extensive restoration.

The towering spire of France's Notre Dame cathedral is nearly completely restored after the devastating fire of 2019.

ABC News’ James Longman got an inside look at the nearly finished renovation project to restore the Notre Dame Cathedral after it was nearly destroyed by a massive fire in 2019.

The refurbishment of the 800-year-old symbol of French history and culture is nearly 90% complete after five painstaking years of restoration following the fire in 2019.

The new spire made its debut after scaffolding was removed amid reconstruction of the famed cathedral, which was damaged during a fire in 2019.

The reopening will last from Dec. 8, 2024, to June 8, 2025.

The cathedral has been closed since an April 2019 fire brought down its steeple and destroyed its interior.

ABC News’ James Longman tours the world-famous cathedral before its December 2024 reopening.

A team in northeastern France is busy rebuilding Notre Dame's famous spire, with construction ramping up ahead of next year's reopening.

Master glassmakers and artistic locksmiths were selected across France to restore stained glass windows at Notre Dame Cathedral after the 2019 fire. The cathedral is scheduled to reopen in 2024.

Less than two years before it reopens, Notre Dame’s stained glass windows and paintings, which were spared in the fire back in April 2019, are getting a fresh look.

The project is being carried out under the project management of the Regional Department of Cultural Affairs of Île-de-France.

As restoration work continues on Notre-Dame, officials in Paris have revealed the winning project for the redevelopment of the area surrounding the cathedral.

Three years after flames engulfed Notre Dame, investigators are still trying to determine the cause of the devastating fire at Paris' most famous cathedral.

Officials are planning to reopen Notre Dame to the public in 2024.

Nearly two years after a raging fire ravaged the Notre Dame Cathedral, ABC News’ James Longman got an inside look at the restoration.

ABC News' James Longman went behind the scenes of the restoration effort at the iconic cathedral after a fire reduced much of it to rubble.

On April 15, 2019, Notre Dame’s structure was so badly maimed that people thought it might collapse completely. Meticulous plans and models have helped move forward the long process of restoration.

ABC News' James Longman tours the historic site and the gargantuan task ahead for restorators after a fire engulfed it a little less than two years ago.

After the Notre Dame Cathedral in Paris caught fire on April 15, 2019, meticulous plans and models helped move the long process of restoration forward.

Restoration of Notre Dame resumes after being suspended by coronavirus lockdown; scaffolding is to be removed.

Scaffolding that was damaged in a massive fire in April 2019 will be removed in order to prevent further damage to the cathedral.

The devastating fire destroyed the 800-year-old roof and caused irreparable damage inside

A year after a fire severely damaged Notre Dame Cathedral, the COVID-19 pandemic has halted restoration efforts.

The wooden framework of the famous Parisian cathedral was completely destroyed by the 2019 fire.

A devastating fire in April ripped through the historic church, sending its famous spire plummeting through the roof.

The famed church has been off limits to parishioners since April 15, when a massive inferno brought down its iconic spire and roof.

The famed cathedral was the sight of a massive inferno on April 15.

The debate over the reconstruction of Notre Dame Cathedral in Paris continues.

The cathedral's chief architect is raising concerns of a possible collapse amid a scorching heat wave in France.

Paris archbishop Michel Aupetit led the mass during which about 30 attendees wore hardhats.

Paris archbishop Michel Aupetit led the mass of about 30 people in Notre Dame Cathedral.

The Notre Dame cathedral is opening its doors to worshipers on Saturday, the first time since a devastating fire tore through its halls in April.

The small mass will be held exactly two months since the blaze devastated the church. David Muir takes a look back at the destruction he witnessed in the wake of the fire.

Architects have put forth an array of bold proposals for Paris's fire-ravaged cathedral.

It’s been nearly a month since the flames leaping from Notre Dame cathedral in Paris left the world aghast.