The history of competitive DotA spans the period from 2004 to the present day. For detail on individual periods of the history, see one of the following articles:
- History of Competitive DotA (The First Light of Dawn: The 6.2x Era)
- History of Competitive DotA (Violent AOE: The 6.32 Era)
- History of Competitive DotA (Fast Push: The 6.37 Era)
- History of Competitive DotA (Trilane and the Global Strategy: The 6.41 Era)
- History of Competitive DotA (Rise of the Blink Dagger: The 6.43 Era)
- History of Competitive DotA (Lessons in Ganking by VP: The 6.48 Era)