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Gideon Sundback patented the hookless fastener with interlocking teeth in 1917, and the word zipper was not coined until 1923, when B.F. Goodrich used it as the name of a ...

On 20 March 1917 Gideon Sundback was granted US patent 1,219,881 for his separable fastener, the second version of his hookless fastener, which he called “Hookless Number 2”, according to the ...
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Scott Fahlman proposed :-) as a joke marker on a Carnegie Mellon bulletin board on 19 September 1982, and his post was lost for years until Jeff Baird pulled it off an October ...

At 11:44 on 19 September 1982, Scott Fahlman posted a message on the Carnegie Mellon computer science general bulletin board, known as the bboard, proposing :-) as a marker for jokes. The post is ...
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David Bradley wrote Ctrl+Alt+Del into the 1981 IBM PC as a soft reboot for developers, and at the machine's twentieth anniversary in 2001 he said of Bill Gates, "I may have ...

IBM engineer David Bradley wrote the Ctrl+Alt+Del key combination into the original IBM PC in 1981 so the machine could be restarted without being switched off. He meant it for programmers and people ...
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Otto Rohwedder's bread slicer cut its first commercial loaf at the Chillicothe Baking Company in Missouri on 7 July 1928, and the machine that made Kleen Maid Sliced Bread fell ...

On 7 July 1928 the Chillicothe Baking Company in Chillicothe, Missouri sold its first loaf of sliced bread, cut by Otto Rohwedder’s machine and sold under the name Kleen Maid Sliced Bread, according ...