London 2012 Olympic Union...
The '92 Summer Games in Barcelona were the last to be staged in the same year as the Winter Games.
The '94 Games in Lillehammer were the second hosted in Norway after the 1952 Winter Olympics in Oslo.
Athens 2004 was the first time since the 1996 Summer Olympics that all countries with a national Olympic committee were in attendance.
Atlanta '96 marked the hundred-year centenary of the Olympic Games.