A symposium celebrating the impact of the Tevatron program on science, technology, and society will be held at Fermilab on Monday, June 11,2012. Topics will include a review of the Tevatron program's continuing impact on the field of particle physics, the technological innovations pioneered at the Tevatron and their impact on society, the extraordinary international collaborations that built the Tevatron and its experiments, the connections between the Tevatron and the Large Hadron Collider, and the legacy the Tevatron leaves to Fermilab's future scientific program. The Symposium is being held in conjunction with the 45th Annual Users' Meeting,which will take place June 12-13, 2012.