1458 - Math matrices (invented August 6, 1458 on a geometrically shaped island in the Sea of Equations) are deemed annoying. This results in the beginning of mathematicians' decline from 'revered intellectuals' to 'irritating know-it-alls', and eventually to their current status, 'dusty old codgers'.
2003 - An adolescent who, for no reason at all, starts mimicking the slow-motion bullet dodge from the first Matrix film on a bus, is appalled to discover that his fellow passengers are not immediately breaking out in applause and high-fives, as is usual whenever any reference to The Matrix is made by anyone at any time.
2004 - A suburban family, watching a toothpaste advertisement featuring characters in black leather doing kung-fu, lets out a bored sigh in complete unison.
2005 - A stand-up comedian, beginning a joke with the words "You take the blue pill", is booed offstage and has his car tires slashed.
2006 - A man is kicked to death for saying "Whoa" in a Keanu-esque fashion.