Here are a few links to other calendars you might find to be of interest...
if you know of others, please contact us and recommend them..

http://www.farmersalmanac.com/
The old traditional Farmer's Almanac...online

http://www.earthcalendar.net/
The Earth Calendar is a daybook of holidays and celebrations around the world.

http://www.treasure-troves.com/astro/topics/Years.html
Need to know about "years" and other technical info?

http://www.famousbirthdays.com/
your official source for all your favorite stars.

http://www.greenheart.com
Everything you ever need to know about calendars

http://www.copi.org/craig/events/calendar.html
"Definitions" of Calendar Types

http://www.aristoday.com/
Want to know something about today's date...Everything about today's date!