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Historical Events in 1839 - On This Day
1839 - Wikipedia
1839 in the United States - Wikipedia
First Opium War | Definition, Overview, China ... - Britannica
Amistad Case - Date, Facts & Significance - HISTORY
Amistad mutiny | Description, History, & Facts | Britannica
What Happened in 1839 - On This Day
What Happened from 1830 to 1839 - The People History
How the Amistad Rebellion, and Its Extraordinary Trial, Unfolded
The Treaty of London (1839) - Alpha History