[ http://www.bank-holidays.com/ ]
Informs you of all the days when banks (as well as stock exchange & school holidays in a number of countries) are closed due to religious or public events.
[ http://www.party411.com/holidays.html ]
Provides ideas and advice for major holidays including decorations and what foods to make.
Pecans with a Purpose
[ http://secure.mycart.net/catalogs/store.asp?pid=99979&catid=26550 ]
Provides many recipes for different holidays relating to pecans including oasted pecans and cheese pecan krispies.
World Usability Day
[ http://www.worldusabilityday.org/ ]
Aims to ensure that the services and products important to life are easier to access and simpler to use.