The system of nature of which man is a part tends to be self-balancing self-adjusting self-cleansing. Not so with technology.
Infinite growth of material consumption in a finite world is an impossibility.
If we had had the right technology back then you would have seen Eva Braun...
Time has no divisions to mark its passage there is never a thunder-storm or blare of trumpets to announce the beginning of a new month or year. Even when a new century begins it is only we mortals who ring bells and fire off pistols.