1981
1983
The Number 1982: Properties and Meanings
Prime Factors of 1982=2x991.
The maximal number of regions into which a plane can be divided by 45 circles=1982.
The Year 1982 AD
In the year 1982 AD Human growth hormone genetically engineered.
In the year 1982 AD the Chemical Element Meitnerium was discovered by Peter Armbruster and Gottfried Münzenberg, GSI
1981
1983