Rewind·Posted on Jul 18, 20131968 Defined In 16 Iconic ImagesLooking back 45 years at one of the most turbulent years in modern history. (Warning: graphic images)by Brian GalindoBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.