Well, generally because when I was in elementary school, the moon landing, and the space program in general, was still regarded as supercool. None of us saw it, but there was a cachet to being able to say you were born the same year, that one just didn’t get from being born the same year as…uh…Kent State? Wait – it was also the first Earth Day. Just seems like anything significant in 1970 was the prelude to or the conclusion of an event, but nothing important came to a head then. And the '69ers also had Woodstock and the Miracle Mets for the trifecta.
Mr. Rilch is a '69er. Once when he got cocky, and was adding the premiere of Monty Python to his list of bona fides, I quietly reminded him that 1969 was also the year of the Manson murders.
SBSO, no offense, but do you go on the net much, besides here? Pottermania may not have taken over your hometown, but online, there’s been a blitz of “X number of days until HP7!” People on LiveJournal have icons marking the date. And I’m actually ashamed of myself now that it took me this long to remember that 7/20 is also a significant date.
FCM, yikes! If the moon landing happened today, you know that recording would have immediately gone into a vault.
ETA: Oh, and 1970 was also the year the voting age was lowered to 18. Still, you can’t draw that, the way my '69er classmates drew rockets at the start of their personal timelines.