In 1936 – The first electric generator went into full operation at Hoover Dam, about a month after President Roosevelt had dedicated the dam and tried to encourage people to call it the Boulder Dam.
In 1992 – Software deployment issues in CAD, the new ambulance dispatch system in London, caused 30-45 deaths. Poor training, a memory leak and no load testing contributed to the failure.
In 2004 – Apple debuted the iPod photo, capable of displaying digital photographs and album art on a built-in color screen.
In 2012 – Microsoft’s Windows 8 operating system went on sale, with its tile-based start screen.