W3C Internationalization (I18N) Activity
"Making the World Wide Web truly World Wide!"

A Brief History of Character Codes
EVERYTHING you ever wanted to know about the origins of ASCII, Shift_JIS, BIG5, etc...

Microsoft GlobalDev
The best source for Microsoft-specific globalization and internationalization information

i18nguy.com
Amazing resource for all things i18n! Includes links to cultural information (lucky days, cultural observations, humor and much more)

Jim Breen's Japanese Page
Cool, encylopedic link collection

Unicode and Multilingual Info.
Useful Unicode reference, with a useful search and font info

CJKV Information Processing
Fantastic book for understanding 'the issues' associated with localization into double-byte character sets and Unicode.

Country Code list
From ac to zw, current (and past/alternate) country codes