1700-1800 By emory.taylor 1700 US population reaches 275,000 people 1714 Tea is introduced into the American colonies 1724 The Quakers make a statement opposing slavery in the United States 1732 Benjamin Franklin publishes Poor Richard's Alamanac 1750 The Conestoga wagon is developed in Pennsylvania Helping improve overland travel into the frontier 1753 Liberty Bell is placed in the Pennslyvania State House 1770 Boston Massacre 1770 Boston Tea Party 1775 Battle at Lexington begins starting the American Revolution 1776 Members of the Continental Congress sign Declaration of Independence 1777 Articles of Confederation were signed 1782 Peace talks begin between the US and Britian 1783 Britain recognizes American Independence 1787 Constitutional Convention meets 1788 Constitution is ratified 1790 The New York Stock Exchange was created 1792 Kentucky becomes the 15th state 1793 Eli Whitney invents the cotton gin