In Japan they have a Children Day and a Respect-for-the-Aged Day.

http://www.google.co.jp/logos/agedday08.gif

Looks like they're giving Chrome a more permanent download link too compared to other national homepages (see bottom right):

http://blogoscoped.com/files/google-japan-2008-09-15.png

Google China doesn't have a direct Chrome link from their homepage right now, they promote Google Pack below the navigation icons:

http://blogoscoped.com/files/google-china-2008-09-15.png

Google Korea doesn't promote Chrome either.