Unit 6 By Nick roman Jan 1, 1750 Industrial Revolution begins in Britain Jan 1, 1793 Invention of the cotton gin Jan 1, 1794 Thomas Paine publishes "The Age of Reason" Jan 1, 1823 Mexico opens Texas to American Settlers Jan 1, 1824 American Election of 1824 Jan 1, 1828 First railroad in the United States Jan 1, 1830 Indian Removal Act Jan 1, 1832 Jackson defeats Clay for presidency Jan 1, 1839 Trail of Tears Starts in 1838. The Cherokee Indians get removed. Jan 1, 1840 Independent treasury established Also, Harrison defeats Van Buren for presidency. Jan 1, 1848 Seneca Falls women's rights convention held Jan 1, 1860 Pony Express established Jan 1, 1866 Permanent transatlantic cable established