Who served as president of the United States the longest?
Franklin D. Roosevelt
Theodore Roosevelt
Theodore Roosevelt
William Henry Harrison
William Howard Taft
William Henry Harrison
Theodore Roosevelt
Franklin Delano Roosevelt
Franklin D. Roosevelt
James Buchanan
William Howard Taft
William Henry Harrison
John F. Kennedy
Theodore Roosevelt
Franklin Delano Roosevelt
James Buchanan
William Howard Taft
William Henry Harrison
Franklin D. Roosevelt
Franklin Delano Roosevelt
Theodore Roosevelt
John F. Kennedy
James Buchanan
William Henry Harrison
William Howard Taft
Franklin Delano Roosevelt
William Henry Harrison
James Buchanan
Theodore Roosevelt
William Howard Taft
Franklin D. Roosevelt
John F. Kennedy
George Washington
Franklin Delano Roosevelt
William Henry Harrison
James Buchanan
William Howard Taft
Theodore Roosevelt
George Washington
John F. Kennedy
Franklin D. Roosevelt
Franklin Delano Roosevelt
William Henry Harrison
James Buchanan
William Howard Taft
George Washington
Theodore Roosevelt
William Henry Harrison
Franklin Delano Roosevelt
Grover Cleveland
John F. Kennedy
James Buchanan
George Washington
Theodore Roosevelt.
William Howard Taft
Franklin D. Roosevelt
Abraham Lincoln
William Henry Harrison
Theodore Roosevelt
George Washington
James Buchanan
Franklin Delano Roosevelt
Grover Cleveland
John F. Kennedy
William Howard Taft
Woodrow Wilson
Abraham Lincoln
Franklin Roosevelt
Franklin Delano Roosevelt.
William Henry Harrison
Harry S. Truman
Franklin D. Roosevelt
George Washington
John F Kennedy
James Buchanan
Theodore Roosevelt
Theodore Roosevelt.
Abraham Lincoln
Franklin Roosevelt
Woodrow Wilson
William Howard Taft
Herbert Hoover
John F. Kennedy
William Henry Harrison
George Washington
Grover Cleveland
Franklin Delano Roosevelt.
Franklin Delano Roosevelt
Franklin D. Roosevelt.
William Howard Taft.
John F Kennedy
James Buchanan
Abraham Lincoln
Franklin Roosevelt
Woodrow Wilson
Franklin D. Roosevelt
Herbert Hoover
Theodore Roosevelt
William Howard Taft
George Washington
William Henry Harrison
Harry S. Truman
Grover Cleveland
John F. Kennedy
Theodore Roosevelt.
John F Kennedy
Abraham Lincoln
Franklin Roosevelt
James Buchanan
Franklin Delano Roosevelt
William Howard Taft.
William Henry Harrison, Jr.
Woodrow Wilson
Franklin Delano Roosevelt.
George Washington
James Buchanan.
William Howard Taft
William Henry Harrison
Ulysses Grant
Theodore Roosevelt
Grover Cleveland
Abraham Lincoln
John F Kennedy
Franklin D. Roosevelt
John F. Kennedy
James Buchanan
Woodrow Wilson
Franklin D. Roosevelt.
John F. Kennedy.
George Washington
Franklin Roosevelt
Harry S. Truman
Franklin Delano Roosevelt
William Henry Harrison
Theodore Roosevelt.
Franklin D Roosevelt
William Howard Taft.
Abraham Lincoln
Grover Cleveland
Franklin Delano Roosevelt.
William Howard Taft
William Henry Harrison, Jr.
John F Kennedy
Theodore Roosevelt
George Washington
Woodrow Wilson
James Buchanan.
Thomas Jefferson
Benjamin Harrison
John F. Kennedy
James Buchanan
Franklin D. Roosevelt
William Henry Harrison
Abraham Lincoln
Franklin D Roosevelt
Grover Cleveland
Franklin Delano Roosevelt
John F Kennedy
George Washington
The George Washington
Franklin Roosevelt
Harry S. Truman
William Howard Taft.
William Howard Taft
Thomas Jefferson
Benjamin Harrison
Franklin Delano Roosevelt.
Harry S Truman
Theodore Roosevelt
Theodore Roosevelt.
William Henry Harrison, Jr.
Franklin D. Roosevelt.
William Henry Harrison
Franklin D Roosevelt
John F. Kennedy
James Buchanan.
James Buchanan
William Henry Harrison.
Andrew Johnson
William Howard Taft II
John F Kennedy
George Washington
Franklin D. Roosevelt
Thomas Jefferson
Benjamin Harrison
Harry S Truman
William Howard Taft
William Henry Harrison
Franklin D Roosevelt
William Howard Taft.
Theodore Roosevelt
Andrew Johnson
Donald Trump
Franklin Delano Roosevelt.
George Washington
James Buchanan
William Henry Harrison.
John F Kennedy
Harry S. Truman
William Henry Harrison, Jr.
Thomas Jefferson