1. The freedom marches, especially the march on Washington.
2. Rock an' roll. It was established that four young men from England could cause a sensation throughout the world through their music. This included the USA. The notion that a band need not be large in order to be successful still fuels musician in the USA as well as elsewhere with a certain kind of hope. You don't have to be big in order to win acclaim. You just have to be out there will a good sound.
3. Science Fiction took off like it had never taken off before. There was the British television show Doctor Who which has its following inn the USA. There was also novels written by Americans such as Make Room! Make Room! by Harry Harrison (1966), American movies such as Forbidden Planet (1965), and USA television shows such as Star Trek and Lost in Space.
4. There was the return of popularity when it came to the superhero in the comic books. Marvel prospered with The Fantastic Four, Spider-Man, Daredevil, The Avengers, and Ironman. D. C. did well with Batman, Superman, Hawkman and Hawkgirl, and Wonder Woman. The light hearted, and somewhat light headed but fun Batman television show was a sensation. I was a comic book collector. Make mine Marvel. 'Nuff said. Artists such as Jack Kirby and Gene Colan were my inspiration.
5. John F. Kennedy became president. It appears there were a number of firsts with his presidency. He was the first Roman Catholic to rise so high in American society. He was the youngest man to have become president and it is said that it was his youth and push for a better America that spurred on the comic book superhero. He was assassinated on November 22nd, 1963. This was not only a sad moment in history for Americans but also people in far away places such as Australia.
6. The Vietnam War. In 1965 Australia sent in troops to aid America and the South Vietnamese. There was the draft in both the USA and Australia. There were also protests against the war in both the USA and Australia.
7. Flower Power became a form of passive resistance in the late 1960s. Long hair was part of it since the military hair cut tended to be short. San Francisco was at the heart of the movement in the USA. In Australia it was Sydney. Underground comics (referred to by the creators as Comix) took off. Also fear of the Atomic Bomb reigned!
8. Western television shows such as The Wild Wild West proved popular.
9. The moon landing in 1969.
10. The first successful heart transplant.