The Olympic Games occur once every two years, with the Summer Olympics taking place in even years divisible by four and the Winter Olympics taking place in even years not divisible by four. The Ancient Olympic Games were first held in 776 BC in Olympia, Greece. The Modern Olympics began in 1896 in Athens, Greece. The United States has hosted the Olympics eight times (four Winter, four Summer), more than any other nation. In 2012, London will become the first city to have hosted three Summer Olympics. Obtaining tickets to the Olympics is no easy feat. That's why we're here to help.