The 2008 presidential campaign of Hillary Rodham Clinton, then junior United States Senator from New York, was announced on her website on January 20, 2007.
 Hillary Clinton was previously the First Lady of the United States and First Lady of Arkansas prior to her election as U.S. Senator from New York.
 She is also the wife of former President Bill Clinton.
 Clinton was the source of much media speculation since having expressed interest in being a candidate in the 2008 presidential election since at least October 2002.
Hugh Ellsworth Rodham (April 2, 1911 – April 7, 1993) was an American businessman, who was the father of former First Lady of the United States, United States Senator from New York, United States Secretary of State, and 2016 Democratic presidential nominee Hillary Rodham Clinton.
Onward Together is an American political action organization founded in May 2017 by former U.S. Secretary of State, U.S. Senator for New York, First Lady of the United States, First Lady of Arkansas, and 2016 Democratic presidential nominee Hillary Rodham Clinton to fundraise for progressive political groups including: Swing Left, Indivisible, Color of Change, Emerge America, and Run for Something.
 Clinton described the group as an effort "to advance the vision that won nearly 66 million votes" of a "fairer, more inclusive, big-hearted America."
Ann M. O'Leary (born 1971 or 1972) is an American political advisor, lawyer, and nonprofit leader who specializes in early childhood education.
 She worked in the Bill Clinton administration and for Hillary Clinton during her time as First Lady, Senate career, and 2008 and 2016 presidential campaigns.
 She served in leadership positions at various nonprofit organizations that focus on early childhood education, including Next Generation and the Opportunity Institute.
 After Clinton's unsuccessful 2016 presidential campaign, O'Leary became a lawyer at the Palo Alto office of the law firm Boies, Schiller & Flexner.
The 2016 presidential campaign of Hillary Rodham Clinton was announced in a YouTube video, on April 12, 2015.
 Hillary Clinton was the 67th United States Secretary of State and served during the first term of the Obama administration from 2009 to 2013.
 She was previously the United States Senator from New York from 2001 to 2009, and is the wife of former President Bill Clinton.
 This campaign marked her second bid for the presidency after losing in her first attempt to Barack Obama in the 2008 Democratic primary.
Her Way: The Hopes and Ambitions of Hillary Rodham Clinton is an investigative biography about United States Senator, and former First Lady of the United States, Hillary Rodham Clinton that was written by Jeff Gerth and Don Van Natta, Jr. and published on June 8, 2007, by Little, Brown and Company.
Hillary Rodham Clinton served as a United States Senator from New York from January 3, 2001 to January 21, 2009.
 She won the United States Senate election in New York, 2000 and the United States Senate election in New York, 2006.
 Clinton resigned from the Senate on January 21, 2009 to become United States Secretary of State for the Obama Administration.
"People United Means Action" (or PUMA) was a political action committee in the United States that opposed the Democratic Party leadership and the nomination of Senator Barack Obama as the Democratic candidate for President in the 2008 presidential election.
 PUMA began as an effort by supporters of Senator Hillary Rodham Clinton who believed that Clinton should have been the Democratic nominee.
 According to PUMA, "We [were] protesting the 2008 Presidential election because we refuse to support a nominee who was selected by the leadership rather than elected by the voters."
The Seduction of Hillary Rodham is a 1996 book about the early years of Hillary Rodham Clinton written by David Brock.
A Woman in Charge: The Life of Hillary Rodham Clinton is a biography of United States Senator, and former First Lady of the United States, Hillary Rodham Clinton that was written by Carl Bernstein and published on June 5, 2007, by Alfred A. Knopf.

Question: In what years did Hillary Rodham Clinton run in the Presidential Campaigns?
Answer: 2008 and 2016