Per the US Mint, "Launched in 1999, the 50 State Quarters Program was a 10-year initiative that honored each of the 50 states.

The 2005 Minnesota state quarter is part of the 50 States Quarters Program. From 1999 through 2009, the U.S. Mint commissioned designs inspired by American states.

Trending Now: Suze Orman's Secret to a Wealthy Retirement--Have You Made This Money Move? 50 State Quarters Between 1999 and 2008, a new state quarter was released every ten weeks.