The Revolution, formerly known as Great American Revolution and La Revolución, is a steel roller coaster manufactured by Anton Schwarzkopf of Germany and designed by Werner Stengel. The coaster is located in the Baja Ridge area of Six Flags Magic Mountain in Valencia, California. It opened on May 8, 1976 and was the world's first modern roller coaster to feature a vertical loop. It is an ACE Coaster Landmark.