No.
No there never had
No it has not been held in Denmark.
No it has never ever been held in Africa till 2010.
Australia have never hosted the Football World Cup, but has held the Olympics twice, most recently in Sydney 2000.
No the world cup has never been held in Cuba so far.
The World Cup was held in the USA in 1994. As yet there has been no decision as to when it will (if ever) return there.
Yes it was the 1930 world cup.
The winter Olympics have never been held in Australia.
The Olympics have never been held in Dublin. However, in 2003, the Special Olympics World Summer Games were held in Dublin.
The Winter Olympics have never been held in Australia. To date, only the Summer Olympics have been held in Australia: in Melbourne in 1956 and in Sydney in 2000.
Yes, the 1956 Summer Olympics were held in Melbourne.
Yes. The FIFA World Cup has been held in California. In 1994 there were matches in the Rose Bowl (LA) and in Palo Alto (near SF).