By 1815, New Orleans licensed and taxed gambling dens, with the proceeds being donated to charity. In 1827, John Davis opened the Crescent City House that may have been the first full-blown American gaming casino, and a precursor of those in Nevada.

Casino di Venezia, Venice\n\n The oldest casino in Europe and the oldest active casino in the world, it hasn't just been a casino. It opened as a theatre with a casino in 1638, before becoming a palace for Italian royalty. In the 19th century, it was a favourite holiday destination of composer Richard Wagner.