The 1956 Summer Olympics, officially known as the Games of the XVI Olympiad, were held in 1956 in Melbourne, Australia, although the equestrian events could not be held in Australia due to quarantine regulations. Therefore, these events were held in Stockholm, Sweden, marking the first time that events of the same Olympics were held in different countries. Melbourne had been elected as the host city over rival bids from Buenos Aires, Mexico City, Montreal and six American cities April 28 1949 on the 43rd IOC session.