When did Online Casinos First Appear? We take a look at online gambling history since the late nineties. Online gambling, also known as Internet gambling, is a general term for gambling using the Before online casinos, the first fully functional gambling software was developed by Microgaming, an Isle of Man-based software company. This was History · Forms · Funds transfers · Legal status. A casino is a facility which houses and accommodates certain types of gambling activities. The first known European gambling house, not called a casino although .. "Las Vegas and Macau Casinos Revenue - Travel and Gamble - Online Gambling · Poker chip · List of casinos · Online casino.