Slammiversary is the name given to professional wrestling pay-per-view (PPV) events held by Total Nonstop Action Wrestling in the month of June. This is of historical significance since June 19 is the date of the first TNA event in 2002. It is considered one of TNA's flagship PPV events along with Lockdown and Bound for Glory (the biggest show of the year) due to the show celebrating the company's anniversary. Slammiversary was the host of the King of the Mountain match.Slammiversary was invented in June 2003. Both the 2003 and 2004 Slammiversary pay per views were only one hour.