Inauguration of Paris Métro Line 1

The Paris Métro's inaugural Line 1 began service on May 30, 1900, just in time for the Exposition Universelle. Designed by Fulgence Bienvenüe with elegant Art Nouveau entrances by Hector Guimard, the line ran from Porte Maillot to Porte de Vincennes using electric multiple units. It alleviated street congestion in a rapidly growing city and became a model for subway systems worldwide. Key innovations included cut-and-cover construction and third-rail power. The event transformed daily life for Parisians and established France as a leader in urban rail infrastructure, with Line 1 still serving millions daily over a century later.