Azerbaijan has never hosted the Olympics.
Poland has never hosted the Olympics.
Cambodia has never hosted the Olympics.
Yes, it hosted the Olympics at the 2008 Beijing Summer Olympics
Peru had never hosted the Olympics.
The Olympics have never been hosted in Bolivia.
London hosted the Olympics in 2012.
Barcelona, Spain hosted the Olympics in 1992.
Rio, Brazil hosted the Olympics in 2016.
No African country has ever hosted the olympics
London has never hosted the Winter Olympics.
Scotland has never hosted the Olympics.