The first US airmail stamps were issued, costing 24 cents.
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Apple released its Macintosh System 7.0.
Three astronauts, Richard J. Hieb, Thomas D. Akers, and Pierre J. Thuot, simultaneously walked in space for the first time.
A new study was published in the journal 'Nature Geoscience,' which showed that the moon is still shrinking with recent moonquakes as it cools.
Zakir Husain began an almost two-year term as President of India.
An Australian man became the first to circumnavigate the world in an amphibious vehicle.
