This only happens once in every 823 years, that is, if the Earth isn't destroyed in the next 823 years...
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This year we are going to experience 4 unusual dates:-
1/1/11
1/11/11
11/1/11
11/11/11
That’s not all!
Take the last 2 digits of the year in which you were born, and add the age you will be this year and the result will be 111 for everyone!!
And this year, October will have 5 Sundays, 5 Mondays and 5 Saturdays.