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apr 28, 1800 - The first functional light bulb

Description:

The first electronics appeared in the 19th century, with the introduction of the electric relay and the first functional light bulb in 1878.

Added to timeline:

Evolution Timeline

ByDalynn Paredes

27 Oct 2017

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688

Date:

apr 28, 1800

Now

~ 226 years ago

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