Square Root Day

Donald Sensing passes along word that, “Today is 3-3-09, a date that calendar keepers call a square root day. Only nine such dates occur per century. The last was 2-2-04 and the next will be 4-4-16.”

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James Joyner
About James Joyner
James Joyner is Professor and Department Head of Security Studies at Marine Corps University's Command and Staff College. He's a former Army officer and Desert Storm veteran. Views expressed here are his own. Follow James on Twitter @DrJJoyner.


  1. Alex Knapp says:

    Hopefully he meant 2-2-04, not 2-2-05…

  2. William d'Inger says:

    Even though it is factually correct, wasting bandwidth on the subject is about as rational as the square root of 2.