11/12/13 is the last date for 90 years that has three numbers in a row

• December 11, 2013, is also known as 'noughts and crosses day' in Britain
• Next date where there will be a numerical sequence is February 1, 2103
• Last month, mathematicians celebrated 'Odd Day' on November 9 (9/11/13)
• Americans marked the day last month on November 12 (11/12/13) because of the different way they format the date