How many days were in February in 2001?
In February 2001, there were 28 days. There was only one holiday that was celebrated on this day. You can get the calendar on http://www.timeanddate.com/calendar/monthly.html?year=2001&month=2&country=1.
28. The leap years are 4 years apart, and always fall on even years (2012, 2008, 2004, 2000, ...).