This year has 4 dates with all 1's in it. 1-1-11, 1-11-11, 11-1-11, and 11-11-11.
On another note, If you were born before the year 2000, if you take the last 2 numbers of the year you were born and add it to the age you will be this year (2011) the the total will be 111.
