Galesburg Reporter

Mcdonald's Corporation issued the following announcement on Feb. 18.

Happy #ShamrockShakeSZN! To mark 50 years of minty goodness, click here to read 10 fun facts about this beloved half-century-old seasonal treat. 

#AboutOurFood

http://McD.to/60171YR7D

Original source can be found here.

Source: Mcdonald's Corporation