TIL that, in America, before TV was on 24 hours, there was a nightly sign off where the Star Spangled Banner was played and an image of the American flag was shown before the TV cut to static.

TIL that, in America, before TV was on 24 hours, there was a nightly sign off where the Star Spangled Banner was played and an image of the American flag was shown before the TV cut to static.

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