Hasbro conducts a worldwide Monopoly tournament. The first Monopoly World Championships took place in Grossinger's Resort in New York, in November 1973, but it wasn't until 1975 that they included competitors from outside the United States. It has been aired in the United States by ESPN In 2009, forty-one players competed for the title of Monopoly World Champion and a cash prize of $20,580 (USD), which is the total amount of 'Monopoly money' in the current Monopoly set used in the tournament. The most recent World Championship took place September 2015 in Macau. Italian Nicolò Falcone defeated the defending world champion and players from twenty-six other countries.

Six of the fourteen Monopoly World Championships have been held in the United States. The Championships were held in the US in the following years:

1973 Liberty, New York

1974 New York City

1975 Washington D.C.

1983 Palm Beach

1985 Atlantic City

2009 Las Vegas

More Info: en.wikipedia.org