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As the Apollo 8 space mission takes off, Marilyn Lovell (second left), and three of her children (from left, Susan, Jeffrey and Barbara), watch as astronaut James Lovell (Marilyn's husband) launches into space, Cape Canaveral, Florida, December 21, 1968. (Photo by Yale Joel/The LIFE Picture Collection/Getty Images)
As the Apollo 8 space mission takes off, Marilyn Lovell (second left), and three of her children (from left, Susan, Jeffrey and Barbara), watch as astronaut James Lovell (Marilyn's husband) launches into space, Cape Canaveral, Florida, December 21, 1968. (Photo by Yale Joel/The LIFE Picture Collection/Getty Images)

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    9 events that changed the world in 1968

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9 events that changed the world in 1968

From MLK's assassination to the Apollo 8 mission, here are some of the events that changed the course of the nation. '1968: The Year That Changed America' debuts on May 27 at 9p ET.

9 events that changed the world in 1968

From MLK's assassination to the Apollo 8 mission, here are some of the events that changed the course of the nation. '1968: The Year That Changed America' debuts on May 27 at 9p ET.