Hard contact lenses have just been invented. Near-sighted people could wear them or wear regular glasses. Granny glasses like John LennonUs were popular. It was the first photo taken that showed the whole globe in one frame. It started the environmental movement.
Space ships land in the ocean.
Blacks were as likely to be cast for a given role as whites or Asians. It is daring to have Checkov on the show because the Russians are still our enemies. Almost no one her age has Black people are setting fire to their ghettos. Martin Luther King was assassinated April 1968, Robert Kennedy in June 1968. The cold war is at its height.