The first known European gambling house, not called a casino although meeting the modern definition, was the Ridotto, established in Venice, Italy, in 1638 by the Great Council of Venice to provide controlled gambling during the carnival season.
So is, when was the first casino invented?
Having said that, who developed the very first slot machine? Charles August Fey
For good measure, who built the first casino in Las Vegas?
Tommy Hull was a business man who was granted a license to build a casino in Las Vegas. He built El Rancho, the first hotel casino in the city. It was built in the area that came to be known as the Vegas Strip. Tommy Hull's success brought many other business men to Las Vegas and many hotel casinos were built.
What is the oldest form of gambling?