Launch of the Paris Métro Line 1

July 28, 1900 saw the inauguration of Line 1 of the Paris Métro, running from Porte de Vincennes to Porte Maillot. Designed to alleviate congestion during the World's Fair, it featured innovative electric traction and Art Nouveau station entrances by Hector Guimard. The project overcame dense urban construction challenges and set standards for subway systems globally. Key figures included engineer Fulgence Bienvenüe. Its success spurred rapid expansion of the network, influencing city planning and daily life for millions, with lasting impact on efficient public transportation.