- The Silent generation, people born before 1945.
- The Baby Boomers, people born between 1945 and 1961.
- Generation X, people born between 1962 and 1976.
- Generation Y, people born between 1977 and 1999.
Why do we call the last one Generation Y?

I did not know, but a caricaturist explains it eloquently below.
I learned something new!