The history of all-inclusive travel dates back nearly 100 years: Holiday camps in the U.K. pioneered the idea in the 1930s, and in 1950, the first “modern” resort utilizing the approach opened in Spain (it was a destination with tents and straw huts)—with others soon to follow.The history of all-inclusive travel dates back nearly 100 years: Holiday camps in the U.K. pioneered the idea in the 1930s, and in 1950, the first “modern” resort utilizing the approach opened in Spain (it was a destination with tents and straw huts)—with others soon to follow.