The 1979 accident at Three Mile Island was much smaller in scale, and emitted far less radioactive material into the atmosphere.

WSJ: Japan to Take 40 Years to Dismantle Fukushima Nuclear Plant

The strongest tornado, rated a maximum EF5 on the Fujita Tornado Scale, tracked for nearly an hour and a half along a 38-mile path from Chickasha through south Oklahoma City and the suburbs of Bridge Creek, Newcastle, Moore, Midwest City and Del City.

CNN: Oklahoma City area was hammered by EF5 tornado in 1999

It started as a small-scale local phone service, but he has since expanded it to include a 16, 000-mile fiber backbone, a fat slice of nationwide cellular radio spectrum and a major Internet access provider.

FORBES: Craig's Higher Calling