According to this: http://www.snopes.com/radiotv/tv/marykay.asp, the show Mary Kay and Johnny was not only the fist to show a married couple sharing the same bed, but also the first sitcom in the US. http://www.imdb.com/title/tt0128883/?ref_=fn_al_tt_1
This is not a Windows thing, it is entirely dependent on the video drivers and whether they support Hot-Key switching for display orientation. I believe this is turned on by default with most Intel video cards, but you may have to turn it on for nVidia and Radeon.
For those of you interested, the 3rd panel is supposed to have words in it (they are colored white, the background was supposed to be black.) http://arloandjanis.com/cometose
They use the metric system for almost everything except for driving. They buy liters of fuel, but measure economy in MPG. Speed limits are all MPH, and driving distances are miles.
According to this: http://www.snopes.com/radiotv/tv/marykay.asp, the show Mary Kay and Johnny was not only the fist to show a married couple sharing the same bed, but also the first sitcom in the US. http://www.imdb.com/title/tt0128883/?ref_=fn_al_tt_1