One of the reasons was because the games were held in Russia and it was right after the Cold War and we weren't fond of Russia at that moment.
Still finding the other reasons for it... isaac3294
1896 Summer Olympics and 2004 summer Olympics.
go to wikipedia and search modern Olympics
In modern times, the first Summer Olympics was in 1896.
Summer: 1896 Winter: 1924
1896, in Athens.
Summer olympics started in 1896, winter olympics in 1964
Atens Greece more than 2500 years ago
1964 Summer Olympics in Tokyo.
Italy first competed in the 1896 Summer Olympics in Athens, Greece.