Timeline of construction
When was the Cathedral of Notre Dame constructed in Paris?
Notre Dame de Paris
 1160 Maurice de Sully (named Bishop of Paris), orders the original cathedral demolished.  1163 Cornerstone laid for Notre-Dame de Paris, construction begins.  1182 Apse and choir completed.  1196 Bishop Maurice de Sully dies.  c.1200 Work begins on western facade.  1208 Bishop Eudes de Sully dies. Nave vaults nearing completion.  1225 Western facade completed.  1250 Western towers and north rose window completed.  c.1245–1260s Transepts remodelled in the Rayonnant style by Jean de Chelles then Pierre de Montreuil  1250–1345 Remaining elements completed