Question: Mark Lawrence ran in the US Senate election that was held on what date?

Context paragraphs:
United States Senate election in Delaware, 1972: The United States Senate election in Delaware, 1972 was held November 7, 1972.  Incumbent Republican United States Senator J. Caleb Boggs ran for a third term in the United States Senate.  Boggs faced off against Joe Biden, a New Castle County Councilman.  Though Senator Boggs was expected to easily win a third term over the then-unknown Biden, it ended up being the closest Senate election in 1972, and Biden narrowly beat out Boggs by a little over three thousand votes, winning what would be his first of seven terms.

Australian Senate election, 1953: Half-senate elections were held in Australia on 9 May 1953.  32 of the seats in the Senate were up for election.  This was the first time a Senate election had been held without an accompanying election of the House of Representatives.  The two election cycles fell out of synchronisation after the 1951 double dissolution.  While the term of the House was not due to expire until 1954, a Senate election was due by 1 July 1953.

Thurmond rule: The Thurmond rule, in US politics, posits that at some point in a presidential election year, the US Senate will not confirm the president's nominees to the federal judiciary except under certain circumstances.  The practice is not an actual "rule" and has not always been followed in the past, with presidents continuing to appoint and the Senate continuing to confirm judicial nominees during election years.

Mark Earley: Mark Lawrence Earley (born July 26, 1954) is an American politician and Virginia lawyer.  As a member of the Republican Party, he was elected to the Virginia State Senate (1988–1998), and then elected Attorney General of Virginia (1998 to 2001).  In 2001, he resigned as Attorney General to focus his time on the 2001 campaign for Governor of Virginia.  He ran to succeed James Gilmore, but lost to businessman and Democratic Party leader Mark Warner.

Mark Lawrence (politician): Mark W. Lawrence (born June 27, 1958) is an American lawyer and politician from Maine.  He was born in Kittery, Maine, the Democrat, Lawrence served in the Maine State Legislature from 1988-2000.  He was elected as the President of the 118th Maine Senate in December 1996 and then elected as President of the 119th Maine Senate in December 1998, serving in that capacity until 2000.  He challenged Republican incumbent Olympia Snowe in the 2000 U.S. Senate election and lost.  He lost in the Democratic primary for the open seat in the 1st congressional district in 2008.  He served from 2003-2010 as the York County District Attorney and did not seek re-election in 2010.  He returned to private practice in South Berwick, Maine.  In November 2016, he was elected to the Maine House of Representatives.

Members of the Australian Senate, 1968–1971: This is a list of members of the Australian Senate from 1968 to 1971.  Half of its members were elected at the 5 December 1964 half Senate election and had terms due to finish on 30 June 1971; the other half were elected at 25 November 1967 half Senate election and had terms due to finish on 30 June 1974.  The process for filling casual vacancies was complex.  While senators were elected for a six year term, people appointed to a casual vacancy only held office until the earlier of the next election for the House of Representatives or the Senate.

United States Senate election in Alaska, 2002: The 2002 United States Senate election in Alaska was held on November 5, 2002.  Incumbent Republican United States Senator Ted Stevens ran for and won a sixth term in the United States Senate.  He faced perennial candidate Frank Vondersaar, the Democratic nominee, journalist Jim Sykes, the Green Party nominee, and several other independent candidates in his bid for re-election.  Ultimately, Stevens crushed his opponents to win what would be his last term in the Senate, allowing him to win with the largest margin of victory for any Senate election in Alaska, as well as the highest percentage of the vote in any of his elections.

Armistead Thomson Mason: Armistead Thomson Mason (August 4, 1787February 6, 1819), the son of Stevens Thomson Mason, was a U.S. Senator from Virginia from 1816 to 1817.  Mason was also the youngest person to ever serve in the US Senate at the age of 28 and 5 months even though the age of requirement for the US Senate in the constitution is 30 years old.

United States Senate election in Oregon, 2002: The 2002 United States Senate election in Oregon was held on November 5, 2002.  Incumbent Republican United States Senator Gordon Smith ran for re-election to a second term.  Oregon Secretary of State Bill Bradbury emerged as the Democratic nominee, and though a competitive gubernatorial election occurred at the same time, Bradbury's campaign was never able to gain traction and Smith overwhelmingly won re-election.  As of 2017, this is the last Senate election in Oregon won by a Republican.

United States Senate election in Maine, 2000: The 2000 United States Senate election in Maine was held November 7, 2000.  Incumbent Republican U.S. Senator Olympia Snowe was re-elected to a second term, defeating Democratic candidate Mark Lawrence.

Supporting paragraphs: Mark Lawrence (politician) United States Senate election in Maine, 2000
Answer: November 7, 2000