On this day: 10th October
The Partial Nuclear Test Ban Treaty, which prohibits all test detonations of nuclear weapons except for those conducted underground, went into effect.
SnoozyBanana
On this day: 9th October
Nick Holonyak, an engineer for General Electric, gave the first public demonstration of a light-emitting diode.
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Misc15mo
Engineer's Day
Engineer's Day!❌ Why don't celebrate on labour day, if we are doing labour at the end of the day?😂
