Revolution By Maddiw 1754 French and Indian War begins 1763 Treaty of Paris gives Britain control of Canada 1776 American leaders sign the Declaration of Independence 1788 Futa Toro outlaws slave trade 1789 The French Revolution begins 1789 The United States Constitution is ratified 1803 The US buys Louisiana from France 1804 Napoleon becomes the emperor of France 1812 Napoleon invades Russia 1812 The US declares war on Britain 1823 US President, James Monroe, issues the Monroe Doctrine 1830 French Revolution arises battle the King's troops in the streets of Paris 1839 China and Britain clash on the Opium War 1848 Revolutions sweep Europe 1850 Taiping Rebellion begins in China