A little interesting tidbit I saw on /r/bitcoin today.
April 5th, 1933 U.S. President Franklin D. Roosevelt signs two executive orders: 6101 to establish the Civilian Conservation Corps, and 6102 "forbidding the Hoarding of Gold Coin, Gold Bullion, and Gold Certificates" by U.S. citizens.
More on executive order 6102
"US President Roosevelt declared a national emergency and issued Executive Order 6102, making it illegal for American citizens to own gold. Hoarding was prohibited, and citizens were ordered to redeem the gold for the official price of $20.67 per ounce.[20]"
April 5th, 2014 - "BitGold released...GOLD hoarding begin once again".