What would happen if all of the world's gold were sold tomorrow?

For thousands of years, people have used gold (GC=F) as currency and a store of value. It's estimated that approximately 219,880 tonnes of gold have been mined throughout history, according to the World Gold Council. Today, governments, corporations, and individual investors own gold. Given gold's prevalence, if everyone sold their gold holdings tomorrow, it would have devastating effects on global economies and currencies. How much gold exists in the world? Gold has been mined for thousands of years, ...