Notre-Dame de Paris

First stone is laid. Bishop Maurice de Sully begins with the reconstruction of the cathedral.

Beginning of works on the nave.

Choir finished except for the vaults.

Roof construction on-going.

Work on the western façade begins.

Western spans of the nave are completed.

Rose in western façade (diameter 9.60 m).

Modification of the flying buttresses. Construction of buttresses to take wind loads on top of the gutter walls.

Towers are finished.

Beginning of enlargement of high windows.

Eastern chapels at the northern end of the nave by Pierre de Montreuil.

Chapels near the choir by Pierre de Montreuil.

Northern transept - widening of one span, chapels and façade according to plans by Jean de Chelles.

Northern rose by Jean de Chelles (diameter 12.90 m).

Southern transept - widening of one span and façade by Jean Chelles the Pierre de Montreuil.

Southern rose by Pierre de Montreuil (diameter 12.90 m).

Reconstruction of the southern rose by Claude Penel under the guidance of architect Boffrant and at the cost of the Cardinal de Noailles.

Beginning of restoration works by Viollet-le-Duc.

Restoration of the southern rose by Viollet-le-Duc who modifies the outer tracings.

During the fire, about 30% of the artwork and other valuables in the cathedral were moved to safety including the treasure. Relics stored in the spire where however lost. The statues at the foot of the central spire had fortunately been removed on April 11 for restauration and thus could not have been damaged in the fire.