Some of the most notable World Wrestling Entertainment pay-per-events include "Royal Rumble," "WrestleMania," "SummerSlam" and "Survivor Series." While there are many other events held each year, these four are the longest running in the league's history.
First airing in 1985, "WrestleMania" is the longest running and most successful professional wrestling event in television history as of 2015. Frequently drawing more than 50,000 spectators, "WrestleMania" serves as WWE's flagship event and held the record for the highest-attended indoor sporting event in the world from 1987 through 2010. The next of the big four to debut, "Survivor Series" began in 1987 and focused on tag-team wrestling to give fans a different style of entertainment. WWE introduced "SummerSlam" in August of 1988 and then quickly added "Royal Rumble" to the lineup in early 1989. Each event has continued to air to a large audience base in every subsequent year.
In addition to the big four annual events, WWE has also featured numerous other successful and long-running events, such as "King of the Ring," "Hell in a Cell" and "TLC: Tables, Ladders and Chairs." To date, WWE pay-per-view events reach more than 650 million homes and are broadcast in 35 different languages around the world.