The 7 Principles
The Seven Principles of "Leave No Trace" provide an easily understood framework of minimum impact practices for anyone visiting the outdoors. Although Leave No Trace has its roots in backcountry settings, the Principles have been adapted so that they can be applied anywhere — from remote wilderness areas, to local parks and even in your own backyard.
Read more at lnt.org

---

Presidents of the United States

George Washington

Years in office: April 30, 1789 – March 4, 1797


John Adams

Years in office: March 4, 1797 – March 4, 1801


Thomas Jefferson

Years in office: March 4, 1801 – March 4, 1809


James Madison

Years in office: March 4, 1809 – March 4, 1817



James Monroe

Years in office: March 4, 1817 – March 4, 1825



John Quincy Adams

Years in office: March 4, 1825 – March 4, 1829



Andrew Jackson

Years in office: March 4, 1829 – March 4, 1837



Martin Van Buren

Years in office: March 4, 1837 – March 4, 1841



William Henry Harrison

Years in office: March 4, 1841 – April 4, 1841



John Tyler

Years in office: April 4, 1841 – March 4, 1845



James K. Polk

Years in office: March 4, 1845 – March 4, 1849



Zachary Taylor

Years in office: March 4, 1849 – July 9, 1850



Millard Fillmore

Years in office: July 9, 1850 – March 4, 1853



Franklin Pierce

Years in office: March 4, 1853 – March 4, 1857



James Buchanan

Years in office: March 4, 1857 – March 4, 1861



Abraham Lincoln

Years in office: March 4, 1861 – April 14, 1865



Andrew Johnson

Years in office: April 15, 1865 – March 4, 1869



Ulysses S. Grant

Years in office: March 4, 1869 – March 4, 1877



Rutherford B. Hayes

Years in office: March 4, 1877 – March 4, 1881



James Garfield

Years in office: March 4, 1881 – September 19, 1881



Chester A. Arthur

Years in office: September 20, 1881 – March 4, 1885



Grover Cleveland *

Years in office: March 4, 1885 – March 4, 1889



Benjamin Harrison

Years in office: March 4, 1889 – March 4, 1893



Grover Cleveland *

Years in office: March 4, 1893 – March 4, 1897



William McKinley

Years in office: March 4, 1897 – September 14, 1901



Theodore Roosevelt

Years in office: September 14, 1901 – March 4, 1909



William Howard Taft

Years in office: March 4, 1909 – March 4, 1913



Woodrow Wilson

Years in office: March 4, 1913 – March 4, 1921



Warren G. Harding

Years in office: March 4, 1921 – August 2, 1923



Calvin Coolidge

Years in office: August 2, 1923 – March 4, 1929



Herbert Hoover

Years in office: March 4, 1929 – March 4, 1933



Franklin D. Roosevelt

Years in office: March 4, 1933 – April 12, 1945



Harry S. Truman

Years in office: April 12, 1945 – January 20, 1953



Dwight D. Eisenhower

Years in office: January 20, 1953 – January 20,



John F. Kennedy

Years in office: January 20, 1961 – November 22, 1963



Lyndon B. Johnson

Years in office: November 22, 1963 – January 20, 1969



Richard M. Nixon

Years in office: January 20, 1969 – August 9, 1974



Gerald R. Ford

Years in office: August 9, 1974 – January 20, 1977



James Carter

Years in office: January 20, 1977 – January 20, 1981



Ronald Reagan

Years in office: January 20, 1981 – January 20, 1989



George H. W. Bush

Years in office: January 20, 1989 – January 20, 1993



William J. Clinton

Years in office: January 20, 1993 – January 20, 2001



George W. Bush

Years in office: January 20, 2001 – January 20, 2009



Barack Obama

Years in office: January 20, 2009 – January 20, 2017



Donald J. Trump

Years in office: January 20, 2017 - January 20, 2020



Joseph R. Biden, Jr

Years in office: January 20, 2020 – Present

Source: White House Website

Back to US Documents Index