There's actually many cases where we (Brits) hate on the American version without realising that actually theirs is the version we were using back when we sent people over to America, and it is us we have changed over the years not they. Still annoys me though :)
When I learned that, I found it extremely humorous. What was even funnier was that the extra U's showed up as Britain attempted to be more French-like. Isn't that a slap in the face today!
I still insist to write "behaviour" despite the protests of my spell-checkers. And I am a Brazilian/Hungarian educated mostly in Portuguese to whom English is a third language.
I blame my high-school English teacher.
But then, when in the browser, I also catch myself submitting forms with control-x control-s.
Quite. See this supposed American barbarism from Daniel Defoe's 1722 novel "Journal of the Plague Year": "besides, it being in the time of the vacation too, they were generally gone into the country". (http://www.gutenberg.org/files/376/376-h/376-h.htm)
