Star Trek was first broadcast in Canada on 6 Sep 1966 on CTV network, two days ahead of the US premier.
Dr Martin Luther King Jr personally requested Nichelle Williams (Lt Nyota Uhura) to remain on Star Trek as he thought it was important for all Americans to see a Woman of Color in a role of responsibility as part of the civil rights movement.
Americans witnessed the first kiss on TV between a white and black person: "Plato's Stepchildren."
In the US, aircraft registration numbers beginning with "NC" were historically used, just like the NCC-1707.
The future that creator Gene Roddenberry envisioned a multi-racial "UN" as the crew; however, there were no visible Arabs, Muslims, Jews, Indians, or LGBTQ aboard the USS Enterprise.
Genetically-enginereed villain Khan Noonian Singh -- played by the handsome Ricardo Montalban -- as a Sikh would have adorned a turban for his long uncut hair, a kada on his right wrist, and a beard.