I need to know the specific days in 2004 that the Russian and
Columbian Stock Exchanges are closed.

karengu-ga,

Here is a link to the Russian Stock Exchange trading calendar :
http://www.rts.ru/engl/?id=11

In addition to weekends it appears that the exchange is closed :
Thu Jan 1
Fri Jan 2
Wed Jan 7
Mon Feb 23
Mon Mar 8
Mon May 3
Tue May 4
Mon May 10
Mon Jun 14
Mon Nov 8
Mon Dec 13

The link to the Colombian "Bolsa" exchange website and calendar: 

http://babelfish.altavista.com/babelfish/trurl_pagecontent?lp=es_en&url=http%3a%2f%2f200.31.19.50%2fBancoConocimiento%2f%2fC%2fcalendario2004%2fcalendario2004.htm%3fIdArticulo%3d11005

Which translates: http://www.bvc.com.co/

The exchange is closed on all Sundays and :
Thu Jan 1
Mon Jan 12
Mon Mar 22
Thu Apr 8
Fri Apr 9
Sat May 1
Mon May 24
Mon Jun 14
Mon Jun 21
Mon Jul 5
Tue Jul 20
Sat Aug 7
Mon Aug 16
Mon Oct 18
Mon Nov 1
Mon Nov 15
Wed Dec 8
Sat Dec 25
(24th and 31st Dec are trading days, however the exchange may be
closed on these days with advanced notice).

Regards

calebu2-ga

Search Strategy:
"Russian Stock Exchange"
"Colombian Stock Exchange"

Also: Market Data / World Indices on Bloomberg.com to verify index
names (to ensure I got the right page from the Google.com search)

And used babelfish.altavista.com to translate the Colombian Stock
Exchange (Bolsa de Valores de Colombia) into English!