Slammiversary ( 2008 ) was a professional wrestling pay @-@ per @-@ view ( PPV ) event produced by the Total Nonstop Action Wrestling ( TNA ) promotion that took place on June 8 , 2008 at the DeSoto Civic Center in Southaven , Mississippi . It was the fourth event under the Slammiversary name and the sixth event in the 2008 TNA PPV schedule . Seven professional wrestling matches and one dark match were featured on the event 's card , three of which were for championships . The event commemorated TNA 's six year anniversary .