Changes

<youtube>https://www.youtube.com/watch?v=mjBgegH40rc</youtube>

[[File: Song_Taizu.jpg|250px|thumbnail|left|Emperor Taizu (reigned AD 960-967), the First Song Emperor]]__NOTOC__

Today, most people take paper money for granted, and few know how its use originated and developed throughout history. In Western countries such as the United States, paper money has a relatively short existence going back to the seventeenth and eighteenth centuries. Still, in China, paper currency first began circulating over 1,000 years ago.