The Y2K "Joke"

Big scare, nothing happened, right?   

  Well, not exactly.  The expected problem, though exaggerated, was real.  But programmers worked hard to make sure WE, the average user, didn't experience it.

  Time Magazine got the perfect headline:

20 Years Later, the Y2K Bug Seems Like a Joke—

Because Those Behind the Scenes Took It Seriously

  These are way more links than you need to understand what happened. Just choose what looks interesting, if any. The first two are probably the shortest & simplest among those reviewed.

• https://simple.wikipedia.org/wiki/Year_2000_problem 
•  https://www.worldatlas.com/articles/what-was-the-y2k-scare.html
•  This one has screenshots of some of the pages you could find on the internet regarding the potential crisis.    https://junkee.com/y2k-bug-1999-hoax/192228
•  https://time.com/5752129/y2k-bug-history/
•    The next one, as a local article, may be in parts too locally focused for general interest, but it contains the best "What do we need to learn? " section of all i've included: https://ottawacitizen.com/news/its-been-20-years-since-y2k-can-it-happen-again
• https://ipoint-tech.com/will-y2k-scare-happen/
• https://www.nationalgeographic.org/encyclopedia/Y2K-bug/
• https://en.wikipedia.org/wiki/Year_2000_problem