The foundation stone of Nantes Cathedral, France is laid.

Nantes Cathedral, or the Cathedral of St. Peter and St. Paul of Nantes (French: Cathédrale Saint-Pierre-et-Saint-Paul de Nantes), is a Roman Catholic Gothic cathedral located in Nantes, Pays de la Loire, France. Construction began in 1434, on the site of a Romanesque cathedral, and took 457 years to finish in 1891. It has been listed since 1862 as a monument historique by the French Ministry of Culture.