The U.S. Constitution Timeline

1775- The 13 Colonies revolt against the British (Revolutionary War)

1776- The 13 Colonies break away from the British declaring their independence creating the Declaration of Independence

1777- The war ends and the Continental Congress approves on articles of Confederation and the Congress of Confederation is formed and creates a basis for the U.S government

1783- The Treaty of Paris is signed which ends the war for good and Britain now recognizes the independence of the USA

1787- State delegates meet at the Constitutional Convention in Philadelphia and begin to write the U.S Constitution

1788- The U.S. Constitution becomes ratified by the nine states and becomes the supreme court law

1791- The Bill of Rights is added to the Constitution(First Ten Amendments) 

1800- The U.S capital moves to Washington, District of Columbia

1861- Abraham Lincoln is elected president and the Civil War begins

1865- Civil war ends, the thirteenth Amendment abolishes slavery, Lincoln is assassinated

1868- The fourteenth Amendment is adopted and gives citizenship to anyone born in the U.S and to former slaves

1870- The fifteenth Amendment is adopted and gives the right to vote to anyone regarding their ethnicity or race(excluding women)

1913- Amendment 16, Income taxes begin

1920- Amendment 19 gives women the right to vote

1971- Amendment 26 lowers the voting age to 18

Sources:

http://www.enchantedlearning.com/history/us/documents/constitution/timeline.shtml

http://www.softschools.com/timelines/us_constitution_timeline/170/

http://www.shmoop.com/constitution/timeline.html