Va sur ce site et tape le nom de ta thématique:
https://simple.wikipedia.org/wiki/Main_Page
puis complète ou explore ces liens:
FREEDOM RIDERS
http://www.pbs.org/wgbh/americanexperience/freedomriders/timeline
BILLIE HOLIDAY
https://www.timetoast.com/timelines/billie-holiday--2
RUBY BRIDGES
http://www.biography.com/people/ruby-bridges-475426
ROSA PARKS
https://www.google.com/search?q=rosa+parks+timeline&safe=off&biw=1680&bih=888&source=lnms&tbm=isch&sa=X&ei=SFIUVbqeBInYU7nxg-gN&ved=0CAYQ_AUoAQ
MLK
Tape "martin luther king timeline" dans google IMAGES
https://www.brainpop.com/socialstudies/freemovies/martinlutherkingjr/
