The Number 1990: Properties and MeaningsPrime Factors of 1990=2x5x199.
1990 is a 333-gonal Number.
1990 is a Centered 13-gonal Number.
1990 is a stella octangula number.
The Year 1990 ADIn the year 1990 AD there was a total solar eclipse conjunct Jupiter & opposed by Saturn.
In the year 1990 Osho the enlightened master died.
In the year 1990 AD the World Wide Web/Internet protocol (HTTP) and WWW language (HTML) was created by Tim Berners-Lee.
In the year 1990 AD Manly Palmer Hall died.(Esoteric History)