Download Dota 6.19b (released on 10-10-2005)
Download Warcraft 3 most popular custom map, Dota, version 6.19b, which released on 10-10-2005.
Two hyperlink for you to choose for faster download speed:-
Download from Clan Bala (preferred)
Download from Dota-allstars.com
Read the released notes from Clan Bala Forum. Registration is required.