3 March 2009 was a square root birthday day

Did you know that the 3rd March this year was Square Root Day, a rare birthday that when the day and the month are both the square root of the last two digits of the current year. Numerically, 3 March 2009, can be expressed as 3/3/09, or mathematically as √9 = 3, or 3² = 3 × 3 = 9.

"These days are like calendar comets, you wait and wait and wait for them, then they brighten up your day--and poof--they're gone," said one square rooter who organised a contest intended to publicize the event.

My brother is one of those elite having the 3rd March as his birthday.

Square Root Day occurs only nine times in a century. The last one occurred on February 2, 2004, and the next will occur in seven years on April 4, 2016. The entire list is -

01/01/XX01
02/02/XX04
03/03/XX09
04/04/XX16
05/05/XX25
06/06/XX36
07/07/XX49
08/08/XX64
09/09/XX81