The Paris Exposition, officially known as the Exposition Universelle, was a world's fair held in Paris, France, showcasing advancements in art, culture, and technology. The most famous exposition took place in 1889 to celebrate the 100th anniversary of the French Revolution, featuring the iconic Eiffel Tower as its centerpiece. These expositions were significant events that attracted millions of visitors from around the globe, highlighting innovations such as the telephone and electric light. They served as platforms for countries to display their achievements and foster international cooperation and cultural exchange.