TUESDAY TRIVIA: From Where Did the Idiom ‘Out of the Blue’ Originate?

This idea for TUESDAY TRIVIA came ‘out of the blue.’

“Out of the blue” means without warning; completely unexpectedly; from an unknown or unforeseen source or for an unknown reason; at a completely unexpected time.

It started in the 1800s from “a bolt out of the blue,” referencing the unlikelihood of a thunderbolt coming from a clear blue sky.

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