Below are the dates for, among others, Columbus Day 2012 and Columbus Day 2013.
You can also see on which day the holiday falls and how many days it is until this holiday.

Holiday	Date		Week number	Number of days to go
Columbus Day 2012	October 8, 2012	Monday	41	247
Columbus Day 2013	October 14, 2013	Monday	42	618
Columbus Day 2014	October 13, 2014	Monday	42	982
Columbus Day 2015	October 12, 2015	Monday	42	1346
Columbus Day 2016	October 10, 2016	Monday	41	1710
Columbus Day 2017	October 9, 2017	Monday	41	2074
Columbus Day 2018	October 8, 2018	Monday	41	2438
Columbus Day 2019	October 14, 2019	Monday	42	2809
Columbus Day 2020	October 12, 2020	Monday	42	3173
Columbus Day 2021	October 11, 2021	Monday	41	3537
Columbus Day 2022	October 10, 2022	Monday	41	3901

See besides 'Columbus Day' even more holidays, click on one of the links below.
2012 Holidays   •   2013 Holidays   •   2014 Holidays   •   2015 Holidays

See also the 2012 Calendar.