Unit 5 By Nick roman Jan 1, 1789 Constitution formally put into effect Jan 1, 1791 Haitian Revolution Jan 1, 1793 Federalist and Democratic-Republican parties formed Started 1792. Jan 1, 1797 XYZ Affair Jan 1, 1798 Alien and Sedition Acts Jan 1, 1806 Lewis and Clark expedition Started in 1804. Jan 1, 1812 The War of 1812 The United States declares war on Britain. Jan 1, 1816 Monroe elected president Jan 1, 1825 Erie Canal completed