Klingons Love Shakespeare: While cultures also are very different (see: Culture Clash), there’s enough commonality among near-median species that this sort of thing happens all the time, between any pair of species you might care to name. Even if it’s only about one small, weirdly idiosyncratic cultural element – given the way these things go, Earth is as likely to become famous for popsicles – a nice hat to the first one to spot the reference without going to the TV Tropes page – as for, say, Confucianism or the eponymous Shakespeare.
(As a side note: this is the very last one of the repeat trope-a-days mentioned here, although I gave up on (R)-ing the titles long ago. So, all fresh content from now on! Not that I imagine most of y’all could tell which were which, heh, given the obscurity of previous blog.)