If I'll have enough time in the next weeks, I might create a list of the Swimming medalists based on this idea. That's my list of host cities:
1992 Barcelona, Spain
1994 Atlanta, USA
1996 Athens, Greece
1998 Sydney, Australia
2000 Beijing, China
2002 Manchester, United Kingdom
2004 Buenos Aires, Argentina
2006 Istanbul, Turkey
2008 Toronto, Canada
2010 Paris, France
2012 Rio de Janeiro, Brazil
2014 Madrid, Spain
2016 Tokyo, Japan
2018 Rome, Italy