To call the 20th century “eventful” is a bit of an understatement. During those 100 years, the world changed in ways people could never have imagined. Throughout the century’s two world wars, the development of astonishing new technologies, and several massive social and economic shifts, a handful of people emerged as leaders and innovators. How well do you remember the 20th century and the people who made a difference in the world? Take this quiz to see how many famous faces from the 20th century you’re able to identify.