It's McDonald’s legendary Shamrock Shake time, aka St. Patrick's Day, but we thought you might want to try an adult version of the minty treat yourselves!. When you think about it, March isn't ...

For every Shamrock Shake purchased at participating restaurants from Feb. 10 to Mar. 23, McDonald’s will donate $0.25 cents to Ronald McDonald House Charities.

When was the Shamrock Shake created at McDonald's? The Shamrock Shake was first created in 1967 by Hal Rosen, a McDonald's owner/operator from Connecticut who made the drink for St. Patrick's Day.