The Great Exhibition at London’s Crystal Palace in 1851 is often seen as the first World Expo. Held in Hyde Park from May to October, it brought together inventions, art, and industry from many countries. Over six million people visited, and its profits later helped fund major museums in London.

• Global Release
• First Release Apr 28, 2025
• Apr 28 → May 1 Annually
• https://en.wikipedia.org/wiki/World%27s_fair