s, 8, 0, 1, 9 are letters that make '1890s'
18, 89, 90 are words within '1890s'
1980s is an anagram of '1890s'
1 possible definitions for '1890s'
Under this definition, 1890s is a noun and has the following properties:
nineties has the same meaning as 1890s
'1890s' can be a type of decade, decennary, decennium.