17 Things You Won't Believe About St. Patrick's Day Parades Around the World

03/13/2015 05:00 pm ET | Updated May 13, 2015

St. Patrick's Day is also known as International You're Irish Today Day.

In countries all over the world, the man who chased the snakes out of the Emerald Isle is remembered through organized walking and quite a bit of drinking. But did you know these celebrations can also involve airborne vegetables, confusing traffic lights and military exercises?

Here are a few things reveals about St. Patrick's Day parades that may just surprise you.