National High Five Day is the reason why strangers keep high-fiving you in the streets every year on the third Thursday in April. 

Join in the celebration -- just give high-fives all day long on April 17, 2014.

And did you know your high-fives can save lives? They can if you join the: 

Register here to give high-fives to save lives!

The National High-5-A-Thon For Cancer Research is based on the model of a fun run or a dance-a-thon. But instead of running or dancing, you give high-5's all day long on #NH5D! 

And make sure you don't miss National High Five Day by following #NH5D on social media....

 

 

The #NH5D Twitter-stream: