1830
1832
The Number 1831: Properties and Meanings
1831 is a Prime Number.
The Year 1831 AD
In the year 1831 AD Michael Faraday invented a electric dynamo.
In the year 1831 AD American, Cyrus H. McCormick invented the first commercially successful reaper.
In the year 1831 AD Helena Blavatsky was born.(Esoteric History)
1830
1832