Square root day is a humorous holiday celebrated on dates where the day and the month are both the square root of the last two digits in the current year.

taken from wikipedia

Share and Enjoy:
  • Print
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • Add to favorites
  • FriendFeed
  • LinkedIn
  • Posterous
  • Reddit
  • RSS
  • Slashdot
  • StumbleUpon
  • Tumblr
  • Twitter
  • Blogplay