The 1998 United States Senate election in Kansas was held November 3, 1998.
 Incumbent Republican U.S. Senator Sam Brownback won re-election to his first full term.
 Brownback was first elected in a special election held in 1996, when then-Senator Bob Dole resigned to campaign for U.S. President, after 27 years in the Senate.
 This would've been Dole's seventh term in office had he remained in his seat.
The 2004 United States Senate election in Kentucky took place on November 2, 2004 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.
 Incumbent Republican U.S. Senator Jim Bunning won re-election to a second term.
James Mountain Inhofe ( ; born November 17, 1934) is the senior United States senator from Oklahoma and a member of the Republican Party.
 First elected to the Senate in 1994, he was the ranking member of the United States Senate Committee on Environment and Public Works (EPW) and was its chairman from 2003 to 2007, and again from January 2015 until January 2017.
 Inhofe served eight years as the United States representative for 2=nd
The 2012 United States Senate election in Nevada was held on Tuesday, November 6, 2012, alongside 33 other elections to the United States Senate in other states, as well as elections to the United States House of Representatives, and the 2012 United States presidential election.
 The primary election was held June 12, 2012.
 Incumbent Republican U.S. Senator Dean Heller, who was recently appointed to this seat left vacant by resigning U.S. Senator John Ensign, was narrowly elected to his first full term over Congresswoman Shelley Berkley.
The 1996 United States Senate election in Oklahoma was held on November 5, 1996.
 Incumbent Republican U.S. Senator Jim Inhofe won re-election to his first full term.
The 2000 United States Senate election in Vermont took place on November 7, 2000.
 Incumbent Republican U.S. Senator Jim Jeffords won re-election to a third term in office.
 Jeffords switched from being a Republican to an independent, who would caucus with the Democratic Party, thus breaking the 50-50 lock.
 As of 2017, this is the last Senate election in Vermont won by a Republican.
The 1988 United States Senate election in Washington was held on November 8, 1988.
 Incumbent Republican U.S. Senator Daniel J. Evans decided to retire instead of running for re-election to a full term, after being appointed to the seat in 1983, and won re-election to a partial term that same year.
 Republican former U.S. Senator Slade Gorton, who had just lost a re-election bid in 1986, won the open seat.
The 2002 United States Senate election in Oklahoma was held on November 5, 2002.
 Incumbent Republican U.S. Senator Jim Inhofe won re-election to a second term.
The 2012 United States Senate election in Wyoming took place on November 6, 2012, alongside a U.S. presidential election as well as other elections to the United States Senate and House of Representatives and various state and local elections.
 Incumbent Republican U.S. Senator John Barrasso won re-election to a first full term.
The 2004 United States Senate election in Alaska took place on November 2, 2004 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives, various state and local elections, and the presidential election of that year.
 Incumbent Republican U.S. Senator Lisa Murkowski of Anchorage, sought election to her first full term after being appointed to serve out the rest of her father's unexpired term when he resigned in December 2002 to become Governor of Alaska.
 Her main challenger was Democratic former Governor Tony Knowles, her father's predecessor as governor.
 Murkowski won by a slight margin.

Question: The 1996 United States Senate election in Oklahoma was held on which date, incumbent Republican U.S. Senator Jim Inhofe won re-election to his first full term?
Answer: November 5, 1996