The only real historical event in my lifetime
That other crap, well, maybe 1/10 of history nuts can tell you what the 100 Years War was about. And I'm not that 1.
The Cold War will be similarly remembered.
The Civil Rights advances have already reached the "Well, DUH!" phase - people have already forgotten that things were once far, far worse. It isn't so much an accomplishment (for a nation - for those individuals involved, is is a great acheivement) as a reduction in stupidity, no more to be bragged about than washing hands between surgery on different patients. Again - that's on the large scale - the individuals involved have plenty to brag about, just like the heroic (I'm not being sarcastic) surgeons who pioneered the hand-washing movement.
Computers? I'd say refrigerators beat them all to hell in significance. And I love computers, at least part of the time.
But on that day, people walked on land that wasn't the home world. That will be in history books - more importantly, that will be in the chapter that people who aren't historians read, not just used for footnotes - for a thousand years, if there is anyone to read them. The History 101 syllabus will have two items under the 20'th Century heading: 1) Hiroshima, 2) The Moon. And that's in chronological order, not by importance.
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Sometime you the windshield, sometime you the bug, sometime you the driver you turn on the windshield washer you keep going.