On this day in history:

1931 Coaxial cable patented

1963 Pan Am Flight 214 crashes outside Elkton, Maryland with 81 killed

https://en.wikipedia.org/wiki/Pan_Am_Flight_214

1969 Greek DC-6B crashes in storm at Athens, 93 killed

https://en.wikipedia.org/wiki/Olympic_Airways_Flight_954

1972 United Airlines crashes at Chicago's Midway Airport killing 45

https://en.wikipedia.org/wiki/United_Airlines_Flight_553