The six year itch, according to political scientists

Political science

Political Science is a social science discipline concerned with the study of the state, government and politics. Aristotle defined it as the study of the state. It deals extensively with the theory and practice of politics, and the analysis of political systems and political behavior...

, is the pattern which takes place during a US

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 president's

President

A president is a leader of an organization, company, trade union, university, or country.Etymologically, a president is one who presides, who sits in leadership...

 sixth year in office. This year is characterized by the nation's disgruntled attitude towards the president and his or her political party

Political party

A political party is a political organization that typically seeks to influence government policy, usually by nominating their own candidates and trying to seat them in political office. Parties participate in electoral campaigns, educational outreach or protest actions...

. During this time, there is a midterm election and the party in power usually loses a significant number of seats in Congress

United States Congress

The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

.

Presidents which have faced this curse are as mentioned:

1958- Dwight D. Eisenhower

Dwight D. Eisenhower

Dwight David "Ike" Eisenhower was the 34th President of the United States, from 1953 until 1961. He was a five-star general in the United States Army...

1974- Richard Nixon

Richard Nixon

Richard Milhous Nixon was the 37th President of the United States, serving from 1969 to 1974. The only president to resign the office, Nixon had previously served as a US representative and senator from California and as the 36th Vice President of the United States from 1953 to 1961 under...

 (although Gerald Ford

Gerald Ford

Gerald Rudolph "Jerry" Ford, Jr. was the 38th President of the United States, serving from 1974 to 1977, and the 40th Vice President of the United States serving from 1973 to 1974...

 was the President when the elections took place that year)

1986- Ronald Reagan

Ronald Reagan

Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....

2006- George W. Bush

George W. Bush

George Walker Bush is an American politician who served as the 43rd President of the United States, from 2001 to 2009. Before that, he was the 46th Governor of Texas, having served from 1995 to 2000....