Some 100 Napoleon artifacts from the Chalençon collection are headed to the auction block at Sotheby's Paris in June.

Pierre-Jean Chalençon’s trove is one of the most comprehensive private Napoleonic collections ever to come to market.

Editor’s Note: This article has been updated with details of the cathedral’s reopening. For hundreds of years, Notre Dame was the backdrop to some of French history’s defining moments.

Looking at Jacques-Louis David’s famous 1807 painting of Napoleon’s coronation at Notre-Dame, the church’s interior has been so altered with neoclassical marble as to be unrecognizable.

"It corresponds to the most [sound] absorbing condition we have predicted in Notre-Dame," says Katz. "If you look at Napoleon's coronation – the records of that and the paintings of that show ...

PARIS — Five years after a fire ripped through its ornate wooden spire and roof, Paris’ Notre Dame cathedral ... It was also the site of the coronation of Napoleon I and his wife, Empress ...

For hundreds of years, Notre Dame was the backdrop to some of French history’s defining moments. On Friday, the cathedral itself will play the lead role as France’s President Emmanuel Macron ...