Summer Olympic Games demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's
Summer Olympic Coins (2000–present) Summer Olympic Coins (2000–present) In 1951, the government of Finland authorized the striking of the first modern Olympic coin, a 500 Markka. At first, the coins circulated as currency in the issuing country and the mintages were high. In borrowing from the traditions of ancient Greece, the coins were a memento of the 1951 Games, and a coin that numismatists could now add to their collection. With the exception of Canada's Lucky Loonie program and its 2007 25-cent pieces to commemorate the 2010 Vancouver Olympic Games, it is rare that Olympic coins are minted for circulation. Traditionally, Olympic coins are