Three ready-made units on the Quinto Centenario, 1992, 500 years after Columbus. In 1992 Spain celebrated the 500th anniversary of the Encounter, mistakenly called the 'discovery' of the Americas. Barcelona hosted the Olympic Games, Seville had the World Fair and Madrid grew by leaps and bounds. Unit 1. Sevilla. La Expo ´92 y la importancia del Encuentro1. Reading: The world changed in 1942. These dramatic changes in food, health, science, transportation on both sides of the Atlantic were highli