In 1987, in the Cabazon Decision, the Supreme Court ruled that as long as a form of gambling is legal in the state where the reservation is located, the state can't regulate activities on the reservation. In 1979, the Supreme Court ruled that the State did not have the right to regulate Indian reservation activities nor could they tax reservation occupants.Ģ. The authorities tried to shut the instant-tourist-attraction down and a slew of lawsuits followed. The phenomenon of Indian reservation gambling began in the '70s when the Seminole tribe in Florida opened a high-stakes bingo operation, which is against Florida law. Please share any Indian gambling experience you have in the comments below! The Beginningsġ. I'm planning a trip back East and will be hitting my first Indian Reservation casino, which got me thinking: I know nothing about their history at all! So, after much research, here's the highlights of what I unearthed.