Valve announced The International 2011 in August 2011 as the first view on Dota 2. The tournament was held at Gamescom in Cologne. 16 invited teams were fighting for a total prize pool of $1.6 million. This was the highest prize pool ever awarded up to that point in time.
In addition to streaming the matches live, Valve set up a youtube channel that contains video replays of all matches after the group stages, including the commentaries for all languages available during the live streams. These replays can be accessed at the following sites:
The replays from The International also available in-game, allowing you to take advantage of the various spectating features, whilst still being able to listen to the commentaries made during the live casts.
At the time, The International had the biggest prize ever awarded in the history of eSports, with a total prize pool of $1.6 million USD.
In addition to this, The International also had the largest number of concurrent viewers than has been seen in any other tournament to this date, with over 1.5 million people watching the opening rounds, a large number of these viewing from China.
Promotional Steam pop-up for The International
Na'Vi as they accept their cheque for $1,000,000 USD.