20th Century
1900 - 1949
- Second Inaugural Address: William McKinley (March 4, 1901)
- First Inaugural Address: Theodore Roosevelt (March 4, 1905)
- Conservation as a National Duty: Theodore Roosevelt (May 13, 1908)
- 16th Amendment to the U.S. Constitution: Federal Income Tax (February 3, 1913)
- First Inaugural Address of Woodrow Wilson (March 4, 1913)
- 17th Amendment to the U.S. Constitution: Direct Election of Senators (April 8, 1913)
- Appeal For Neutrality (World War I): Woodrow Wilson (August 19, 1914)
- Speak Softly and Carry a Big Stick: Theodore Roosevelt (September 23, 1914)
- Second Inaugural Address of Woodrow Wilson (March 5, 1917)
- "Peace Without Victory" Speech by Woodrow Wilson (January 22, 1917)
- Joint Address to Congress Leading to a Declaration of War: World War I (April 2, 1917)
- Fourteen Points of Woodrow Wilson (January 8, 1918)
- 18th Amendment to the U.S. Constitution: Prohibition (January 19, 1919)
- National Prohibition Act / Volstead Act (October 28, 1919)
- Clear and Present Danger, Justice Wendell Holmes (November 10, 1919)
- 19th Amendment to the U.S. Constitution: Women's Right to Vote (August 18, 1920)
- First Inaugural Address of Franklin D. Roosevelt (March 4, 1933)
- Christmas Greeting to the Nation: Franklin D Roosevelt (December 24, 1935)
- Second Inaugural Address of Franklin D. Roosevelt (January 20, 1937)
- Albert Einstein's Letter to F.D.R.: Nuclear Bomb (August 2, 1939)
- WV State Board of Education vs. Barnett: Flag Salute in Public Schools (June 3, 1940)
- Four Freedoms Speech: President Franklin D. Roosevelt (January 6, 1941)
- Third Inaugural Address of Franklin D. Roosevelt (January 20, 1941)
- Congress Establishes Thanksgiving (October 6, 1941)
- President Franklin D Roosevelt Executive Order 9066: Relocation of Japanese (February 19, 1942)
- WV State Board of Education Flag Salute Rule Voided (June 15, 1943)
- D-Day Proclamation by General Dwight D. Eisenhower (June 6, 1944)
- Fourth Inaugural Address: Franklin D. Roosevelt (January 20, 1945)
- Truman Doctrine (March 12, 1947)
- U.S. Recognition of Israel (May 14, 1948)
- First Inaugural Address of Harry S. Truman (January 29, 1949)
- North Atlantic Treaty Organization (NATO) (April 4, 1949)
- Christmas Address at Tree Lighting Ceremony: Harry S Truman (December 24, 1949)
1950 - 1999
- President Harry Truman's Korean War Statement (June 27, 1950)
- First Inaugural Address: Dwight Eisenhower (January 20, 1953)
- Brown vs. Board of Education (May 17, 1954)
- Veterans Day Proclamation: Dwight Eisenhower (October 8, 1854)
- Second Inaugural Address: Dwight Eisenhower (January 21, 1957)
- Eisenhower Doctrine (January 5, 1957)
- Inaugural Address: John F Kennedy (January 20, 1961)
- Engel v. Vitale: Prayer in Public Schools (June 25, 1962)
- Roe v Wade: Abortion (January 22, 1973)
- Treaty of Paris Peace Accords: Vietnam War (January 24, 1973)
- United States vs. Nixon (July 24, 1974)
- First Inaugural Address: Ronald Reagan (January 20, 1981)
- Christmas Address to the Nation: Ronald Reagan (December 23, 1981)
- Lynch vs Donnelly: Christmas Displays on Government Property (March 5, 1984)
- Second Inaugural Address: Ronald Reagan (January 21, 1985)
- Tear Down This Wall: Ronald Reagan (June 12, 1987)
- First Inaugural Address: William J Clinton (January 20, 1993)
- Religious Freedom Restoration Act of 1993 (November 16, 1993)
- Defense of Marriage Act (DOMA): William J Clinton (September 21, 1996)
- Second Inaugural Address: William J Clinton (January 20, 1997)
- Articles of Impeachment Against President William J Clinton (December 19, 1998)