What remained was a blackened shell of the monument immortalised in Victor Hugo's 1831 novel "The Hunchback of Notre Dame", a building that had survived nearly 900 years of tumultuous French history but was devastated amid renovation works at the start of Catholic Easter week.
Multi-billionaire Francois-Henri Pinault and oil company Total have also pledged 100 million euros (£87m) each.
People are now recognising that Windsor's photo is one of the last to capture Notre Dame with its spire and roof fully intact.
"It is really going to be up to the French state and benefactors to help to restore and rebuild this", Robert Read, head of art and private client at Lloyd's of London insurer Hiscox told Reuters, adding it could take up to 20 years to restore the cathedral.
A number of companies, including beauty giant L'Oreal and luxury goods LVMH company, banks and powerful businessmen on Tuesday pledged to donate some 700 million euros ($790 million) to restore the medieval Notre Dame cathedral that had been severely ravaged by the blaze. A government official said the cathedral's greatest paintings would be removed starting Friday.
Japanese travel agencies have received many calls from people planning to visit Paris during the 10-day Golden Week holiday period, specifically asking about the massive fire that broke out at the Notre Dame cathedral in Paris, one of France's symbolic UNESCO World Heritage Sites.
When asked if he had concerns about heritage Quebec churches, Lépine said many of them have modern alarm systems and they have video surveillance that would show the start of a fire early on.
"If it were me, I'd want the memory", she said.
View of the Notre Dame cathedral after the fire in Paris, Tuesday, April 16, 2019.
French President Emmanuel Macron has said France would launch a fundraising campaign to rebuild Notre-Dame, which ranks among the finest examples of French Gothic cathedral architecture.
Officials consider the fire an accident, possibly as a result of the restoration work at the global architectural treasure.
Sadness which Mulaire now sees Parisians feeling in the aftermath of this latest blaze, a blaze which has many cherishing memories of seeing the Notre Dame Cathedral.
"The organ is a very fragile instrument, especially its pipes".
Offers of practical assistance have flooded in from across Europe: Poland's President Andrzej Duda has extended the service of his country's reconstruction experts, famed for their restoration of Warsaw buildings razed to the ground in World War II; while the York Glaziers Trust in Britain, which restored the windows of York Minster cathedral when it was gutted by fire in 1984, has volunteered its expertise.
Bertrand de Feydeau, vice president of preservation group Fondation du Patrimoine, told France Info radio that the wooden roof that went up in flames was built with beams more than 800 years ago from primal forests.
But experts warned a full restoration will take many years.
"Now I wish I had", she tweeted.
On Thursday, the public got a first ground-level look at the statues, representing the 12 apostles and four evangelists, when a huge crane whisked them into the air before lowering them onto a truck.