How long did it take to complete Notre Dame?

The construction of Notre-Dame Cathedral in Paris began in 1163 and was largely completed by 1345, taking around 180 years. However, various modifications and restorations continued over the centuries, including a significant restoration led by architect Eugène Viollet-le-Duc in the 19th century. The cathedral is known for its Gothic architecture and iconic features, which evolved throughout its long history.