Kamala Harris was elected Vice President of the United States in 2020 alongside President Joe Biden.

The Vice President is first in line to become President if the President is unable to serve, as outlined in the U.S. Constitution.

Vice Presidential Succession is the process by which the Vice President becomes President if the President is unable to serve.

Eight Vice Presidents have become President due to Presidential death in the history of the United States.

John Tyler was the first Vice President to become President due to Presidential death in 1841, following the death of President William Henry Harrison.

Andrew Johnson became President after the assassination of President Abraham Lincoln in 1865.

Spiro Agnew was the Vice President during the Watergate scandal, which led to President Richard Nixon's resignation in 1974.

Gerald Ford became President after President Richard Nixon's resignation in 1974.

George H.W. Bush was the Vice President during the Iran-Contra affair, which took place from 1985 to 1987.

George H.W. Bush became President after President Ronald Reagan's second term in 1989.

Al Gore was the Vice President during the Monica Lewinsky scandal, which took place from 1995 to 1998.

Al Gore became President after President Bill Clinton's second term in 2001.

Dick Cheney was the Vice President during the September 11th attacks and the subsequent War on Terror.

Barack Obama became President after President George W. Bush's second term in 2009.

Joe Biden was the Vice President during President Barack Obama's first and second terms, from 2009 to 2017.