May 1974 — Rep. Bella Abzug (D-N.Y.), along with Rep. Ed Koch (D-N.Y.), introduce the Equality Act, which would have amended the Civil Rights Act of 1964 to include sexual orientation under the protected classes for employment as well as housing and public accommodations.
June 1994 — Gay Rep. Gerry Studds (D-Mass.) introduces the modern version of ENDA, which includes protections only for employment.
July 1994 — Under the leadership of Sen. Edward Kennedy (D-Mass.), the Senate Committee on Labor & Human Resources holds the first-ever congressional hearing on ENDA. Lesbian attorney Chai Feldblum is among the witnesses.
October 1994 — Running for a U.S. Senate seat in Massachusetts, Mitt Romney pledges in a letter to the Log Cabin Republicans to co-sponsor ENDA “and if possible broaden to include housing and credit.” Romney would later say in 2006 he sees no need for ENDA before he pursued his presidential bid.
September 1996 — A deal is struck in the Senate to bring ENDA to a floor vote along with the Defense of Marriage Act. Although DOMA passes the Senate by a wide margin, ENDA fails narrowly by a 49-50 vote.
January 1999 — President Bill Clinton becomes the first U.S. president to call for ENDA passage during a State of the Union address, saying discrimination on the basis of sexual orientation “is wrong, and it ought to be illegal.”
April 2002 — Under the leadership of Sen. Edward Kennedy (D-Mass.), the Senate Health, Education, Labor & Pensions Committee reports out ENDA to the Senate floor. The legislation never sees a floor vote.
April 2007 — Gay Rep. Barney Frank (D-Mass.) introduces a version of ENDA in the House that for the first time includes language barring employment discrimination against transgender people.
September 2007 — Much to the consternation of LGBT advocates, Frank introduces a new version of ENDA that strips the bill of its transgender provisions, saying the votes are lacking in the House to pass a trans-inclusive bill.
October 2007 — Even though the bill has been stripped of its transgender protections, the Human Rights Campaign is a signatory to a letter from the Leadership Conference on Civil Rights urging members of Congress to continue to support ENDA.
November 2007 — The sexual orientation-only version of ENDA passes the House by a 235-184 vote. It’s never brought up for a Senate vote.
May 2008 — In a heated primary with Hillary Clinton, then-Democratic presidential candidate Barack Obama vows in an open letter to the LGBT community to “place the weight of my administration” behind the enactment of a fully inclusive ENDA.
June 2009 — Following the inauguration of President Obama, Frank again introduces a transgender-inclusive version of ENDA, saying “we’re beyond” any possibility of removing that language.
August 2009 — Sen. Jeff Merkley (D-Ore.) introduces a trans-inclusive ENDA. It’s the first time a Senate version of the bill contains protections for the transgender community.
November 2009 — Assistant Attorney General for Civil Rights Thomas Perez testifies on behalf of the Obama administration before the Senate, calling the bill “a top legislative priority for the Obama administration.”
June 2010 — After the House votes on “Don’t Ask, Don’t Tell” repeal, House Speaker Nancy Pelosi (D-Calif.) tells the Washington Blade a House vote on ENDA won’t take place until the Senate acts on the military’s gay ban. The House never acts on ENDA before Democrats lose control of the chamber.
June 2012 — Kylar Broadus testifies on behalf of ENDA before the Senate HELP Committee, becoming the first openly transgender person to testify before the chamber.
April 2013 — Gay Rep. Jared Polis (D-Colo.) introduces ENDA as its new chief sponsor in the U.S. House following the retirement of Barney Frank.
June 2013 — President Obama makes ENDA passage a major component of his speech during a Pride reception at the White House, saying, “We can make that happen — because after the last four and a half years, you can’t tell me things can’t happen.”
July 2013 — Under the chairmanship of Sen. Tom Harkin (D-Iowa), the Senate Health, Education, Labor & Pensions reports out on ENDA by 15-7 vote, marking the first time a trans-inclusive bill has passed out of committee.
November 2013 — The Senate votes 64-32 on a bipartisan basis to approve ENDA, marking the first time the chamber has passed ENDA and the first time either chamber of Congress has passed a version of the bill with transgender protections.
November 2013 — House Speaker John Boehner (R-Ohio) said he sees “no basis or no need” for ENDA when asked by the Washington Blade if he’ll allow a vote on the bill. The House has yet to vote on the legislation.