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Nichole Armageddon (2007 flickr) No alterations.
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Year that square-bottomed grocery bag was invented:
1867
Margaret Knight, a young woman from Springfield, Mass., invented the first machine that could make the flat-bottomed paper bag in 1867, and received a patent for the device in 1870.
Source: Creating the Twentieth Century, Vaclav Smil, 1/1/1900
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