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1830 - Wikipedia
1830 in the United States - Wikipedia
Chronology of Major Events in the 1830s - ThoughtCo
Historical Events in 1830 - On This Day
1830s - Wikipedia
1830 Fast Facts - History - U.S. Census Bureau
Revolutions of 1830 | France, Belgium, Poland | Britannica
Revolutions of 1830 | Encyclopedia.com
1830 Overview - History - U.S. Census Bureau
1830 Census Records | National Archives