The 1958 United States Senate elections in Arizona took place on November 4, 1958.
 Incumbent Republican U.S. Senator Barry Goldwater ran for reelection to a second term, and defeated former U.S. Senator, and then-Governor, Ernest McFarland in the general election.
 The election was a virtual rematch from 1952, where Goldwater defeated McFarland by a narrow margin.
 Goldwater had attributed the win to the unpopularity of President Harry S. Truman and popular Wisconsin Senator Joseph McCarthy endorsing his campaign.
Joseph 'Joe' C. Perry is an American businessperson and politician from Maine.
 Perry, a Democrat, served in the Maine Senate from District 32, which included his hometown of Bangor and Hermon.
 He was first elected to the Senate in 2004 after serving from 8 years (1996-2004) in the Maine House of Representatives representing part of Bangor.
 He defeated incumbent Republican Senator Tom Sawyer by 280 votes.
 In 2015, Perry won a seat on the Bangor City Council.
The 1996 United States Senate election in Oregon was held on November 5, 1996.
 Incumbent Republican United States Senator Mark Hatfield decided to retire after thirty years in the Senate.
 Oregon State Senate President Gordon H. Smith, who had run for the Senate earlier that year, won the Republican primary, while businessman Tom Bruggere won a contested Democratic primary.
 The contest between Smith and Bruggere was one of the toughest that year, but ultimately, Smith was able to keep the seat in the Republican column and defeated Bruggere by a narrow margin.
Carol Elizabeth Moseley Braun, also sometimes Moseley-Braun (born August 16, 1947), is an American diplomat, politician and lawyer who represented Illinois in the United States Senate from 1993 to 1999.
 She was the first female African-American Senator, the first African-American U.S. Senator for the Democratic Party, the first woman to defeat an incumbent U.S. Senator in an election, and the first female Senator from Illinois.
 She was the only female U.S. Senator from Illinois until Tammy Duckworth who became the U.S. Senator from Illinois in January 2017.
 From 1999 until 2001, she was the United States Ambassador to New Zealand.
 She was a candidate for the Democratic nomination during the 2004 U.S. presidential election.
 Following the public announcement by Richard M. Daley that he would not seek re-election, in November 2010, Braun began her campaign for Mayor of Chicago.
 The former Senator placed fourth in a field of six candidates, losing the February 22, 2011, election to Rahm Emanuel.
Daniel "Dan" Joseph Seals (born June 19, 1971) is an American business consultant and a Democratic politician from Illinois.
 Seals was the Democratic nominee in three campaigns to become U.S. Representative for  's 10 congressional district .
 The first two times, he was defeated by the incumbent Mark Kirk.
 In his third run, he was defeated by Republican candidate, Robert Dold, on November 2, 2010, for the seat Kirk was vacating.
Robert James "Bob" Dold Jr. (born June 23, 1969) was the U.S. Representative for Illinois 's 10 congressional district from 2011 to 2013 and again from 2015 to 2017.
 He is a member of the Republican Party.
 Prior to his election, Dold ran his family-owned business, Rose Pest Solutions.
 In 2010, Dold defeated Democratic Party nominee Dan Seals to replace Republican incumbent Mark Kirk in the U.S. House of Representatives.
 Dold was narrowly defeated by Democrat Brad Schneider in 2012, but regained the seat in 2014, defeating Schneider in a rematch.
 He was again defeated by Schneider in 2016 in a third contest between the two.
The 2008 United States Senate election in Oregon was held on November 4, 2008.
 Incumbent Republican U.S. Senator Gordon H. Smith decided to seek re-election.
 Smith was the only Republican Senator from the west coast (excluding Alaska) and the only Republican holding statewide office in Oregon.
 He was opposed by Democrat Jeff Merkley, the Speaker of the Oregon House of Representatives, and David Brownlow of the Constitution Party of Oregon.
 Merkley won by a narrow margin, with Smith not conceding until two days after the election.
 Merkley became the first Democrat to win this seat when it last went to the Republicans in 1966.
The 1972 United States Senate election in Virginia was held on November 7, 1972.
 Republican U.S. Representative William L. Scott defeated incumbent Democratic Senator William Spong, Jr..
 Scott was the first Republican U.S. Senator from Virginia to be elected in over a century, as the most recent Republican Senator was John F. Lewis, who had held the seat during the Reconstruction era.
Ladda Tammy Duckworth (born March 12, 1968) is an American politician and retired U.S. Army Lieutenant Colonel, serving as the junior United States Senator for Illinois since 2017.
 A member of the Democratic Party, she earlier represented Illinois' 8th district for two terms (2013–2017) in the United States House of Representatives.
 Before seeking elective office, she served as Assistant Secretary for Public and Intergovernmental Affairs in the United States Department of Veterans Affairs (2009-2011), and she was the Director of the Illinois Department of Veterans Affairs (2006-2009).
 In the 2016 election, Duckworth defeated incumbent Republican Senator Mark Kirk for the seat in the United States Senate.
Jessica King (born July 21, 1975) is a former Democratic member of the Wisconsin Senate, representing the 18th Wisconsin District when elected in 2011.
 She defeated incumbent Republican Senator Randy Hopper in a special recall election on August 9, 2011, and took office August 25, 2011; but lost the seat to another Republican, Rick Gudex, in the November 2012 general election, helping to revert that chamber back to Republican control.

Question: Who defeated incumbent Republican Senator Mark Kirk to become the second female U.S. Senator from Illinois?
Answer: Tammy Duckworth