1830s - Wikipedia
https://en.wikipedia.org/wiki/1830s
WEBThe 1830s (pronounced "eighteen-thirties") was a decade of the Gregorian calendar that began on January 1, 1830, and ended on December 31, 1839. In this decade, the world saw a rapid rise of imperialism and colonialism, particularly in Asia and Africa. Britain saw a surge of power and world dominance, as Queen Victoria took to the throne in 1837.
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