Olympic

http://www.olympic.org/

Special
http://www.specialolympics.org/
https://www.paralympic.org/

Ring

1. Blue ring - Europe; 
2. Yellow ring - Asia; 
3. Black ring - Africa; 
4. Red ring- America; 
5. Green ring - Oceania

http://freeglobaluniversity.blogspot.com/search/label/Continents

Twitter

https://twitter.com/olympics

Museum

http://olympic-museum.de/

Tube

https://www.youtube.com/results?search_query=olympic

Slides

http://www.slideshare.net/search/slideshow?searchfrom=header&q=olympic

Time
http://time.com/tag/olympics/