The W3C has always placed great emphasis on the importance of 'The Web for Everyone'. The Internationalization Activity, within the W3C,
has the mission of making the World Wide Web world wide. The slide shows that phrase in 15 different writing systems*.
* Arabic, Simplified Chinese, Traditional Chinese, Greek, Hebrew, Devanagari (Hindi), Canadian Syllabics (Inuktitut),
Latin (English), Japanese, Latin (Hungarian), Cyrillic (Kazakh), Korean, Gurmukhi (Panjabi), Cyrillic (Russian), Thai
One of the things to note on this slide is that English is just another language.
Another is that only a few years ago it would have been extremely unusual to see all these scripts correctly rendered on the same page.
Initially this was a problem related to character encoding.