1880 – Thomas Edison patented the electric incandescent lamp.

1888 – The National Geographic Society was founded in Washington, DC.

1926 – John Baird, a Scottish inventor, demonstrated a pictorial transmission machine called television.

1948 – Wire Recording Corporation of America announced the first magnetic tape recorder. The ‘Wireway’ machine with a built-in oscillator sold for $149.50.

1951 – In the U.S., atomic testing in the Nevada desert began as an Air Force plane dropped a one-kiloton bomb on Frenchman Flats.

1967 – More than 60 nations signed the Outer Space Treaty which banned the orbiting of nuclear weapons and placing weapons on celestial bodies or space stations.

1965 1st ground station-to-aircraft radio communication via satellite

1977 – The Vatican reaffirmed the Roman Catholic Church’s ban on female priests.