Think your soooooo smart?

Think your clever eh? 

 

Well not only must you decrypt this one you have to find its relevance to our anniversary.

 

Good luck!  -- You'll need it!   <Insert evil laughter here>

 

 

UOVBV TBV HSTXUJ SX UOV JIN!
UOVBV TBV GSH UTCC UVBBSGCV TRVJMFV JYTBN RMXQVBEPC
HSTXUJ SX UOV JIN!