1960s and 1970s, 1960s and 1970s,
brown vs board of education topeka
Joseph Lowery
brown vs board of education topeka
Joseph Lowery
"Nick Holonyak, 75, invented the LED (light emitting diode) in the 1960s."
Chiang Kai-shek
cultural revolution
farming
He led the Nationalist party in China
You
The custom duty to import LED light from China to Nepal is 5%.