Every day more than 11 million guests visit BURGER KING restaurants around the world. And they do so because our restaurants are known for serving high quality and great tasting and affordable food. Founded in 1954. BURGER KING is the second largest fast food hamburger chain in the world.Every day more than 11 million guests visit BURGER KING restaurants around the world. And they do so because our restaurants are known for serving high quality and great tasting and affordable food. Founded in 1954. BURGER KING is the second largest fast food hamburger chain in the world.