s, 8, 0, 1, 7 are letters that make '1870s'
70, 18, 87 are words within '1870s'
1780s is an anagram of '1870s'
1 possible definitions for '1870s'
Under this definition, 1870s is a noun and has the following properties:
'1870s' can be a type of decade, decennary, decennium.