The History of Currency Full Size Version Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents What Our Kids Can Teach us About Saving Money Would you guess that Millennials are effectively saving for retirement? Well, they are. How Big is Money? Learn a little about worldwide currency in this fun infographic What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.