For 175 years, the World Expo has provided an opportunity for many countries to contribute, inspire, and showcase best practices while also offering solutions to various challenges and global issues. The first World Expo, also known as the Great Exhibition, took place in London in 1851. Since the founding of the Bureau International des Expositions (BIE) in 1928, the World Expo has been held regularly every five years in various countries. The World Expo has documented its history by showcasing extraordinary innovations that continue to impact humanity to this day.