1. Google Language Tools
Translation of text and web pages between English and Spanish, German, French, Italian and Portuguese.

2. AltaVista's Babelfish
Translates text and web pages from one language to another, including English, German, Spanish, French, Italian, Portuguese, and Russian.
babelfish.altavista.com

3. Time and Date
Lots of time and date related information, such as yearly and monthly calendars, counters, countdown, and the world clock which shows the current time in cities all over the world.
www.timeanddate.com

4. Wikipedia
The biggest multilingual free-content encyclopedia on the Internet. Over 7 million articles in over 200 languages, and still growing
en.wikipedia.org/wiki/Main_Page

5. MSN Encarta Encyclopedia
Online home of the Encarta encyclopedia, world atlas, dictionary, thesaurus, multimedia collection, and homework tools.
encarta.msn.com