The Guerra Revolucionaria (2009) (Spanish for "Revolutionary War") show was the first of a series of major professional wrestling events produced and scripted by the Mexican professional wrestling promotion International Wrestling Revolution Group (IWRG) under the name Guerra Revolucionaria. The event took place on March 29, 2009 in Arena Naucalpan, Naucalpan, State of Mexico, Mexico. The main event of the show was a 20-man Battle Royal where the eliminated wrestlers would all remain at ringside, act as "Lumberjacks" to ensure none of the participants left the ring. Each lumberjack would be given a leather straps they were allowed to use on the still-active competitors. There was no official prize for winning the match other than the increased public profile of the winning wrestler.