Template:TOCnestleft Diane E. Watson was a Democratic member of the United States House of Representatives, representing the 33rd district of California. She is a vice chair on the Congressional Progressive Caucus. She retired after the 2010 to be replaced by Karen Bass.
Greeting Chris Hani
More than 250 labor, peace, civil rights and political leaders greeted South African Communist Party leader Chris Hani at his April 27, 1991 appearance in Los Angeles. The crowd contributed more than $12,000 towards the People's Weekly World fund drive and the work of the South African Communist Party.
Los Angeles City Council member Robert Farrell, presented Hani with a resolution signed by Mayor Tom Bradley and City Council president John Ferraro, welcoming him as "one of the most highly respected and powerful voices of the anti Apartheid movement."
The welcoming committee included reps Maxine Waters, Mervyn Dymally and Matthew Martinez, State senator Diane Watson, Los Angeles School board president Jackie Goldberg and more than 30 labor, civic and entertainment leaders including Cesar Chavez of the United Farmworkers.
Waters sent a letter of greeting to Hani and Yengeni saying, "as the struggle within South Africa continues to develop from one stage to the next, please be assured that all of us will continue to be at your side. Your struggle is our struggle".
Evelina Alarcon, chair of the Southern California district of the Communist Party USA, introduced Hani, She drew rousing cheers as she pledged, on behalf of the audience and the welcoming committee, continued efforts to maintain sanctions against South Africa.
MAPA endorsement meeting
Over 130 delegates to the Mexican American Retro Region Primary Endorsing Convention in Los Angeles April 25, 1992 voted to endorse those Congressional, State Senate, Assembly, and county supervisor candidates who took the strongest pro labor and pro immigrant stands.
Guest speakers were Maria Elena Durazo, President of Hotel Employees and Restaurant Employees Local 11, Gilbert Cedillo of Service Employees Local 660, and Alfredo Pascoy of the Mexico's Revolutionary Democratic Party.
As a member of the Communist Party USA, Oneil Cannon became the education director in the Southern California District, and a member of the Party’s Southern California and National Central Committees.
Cannon was committed to electing Black and Latino representatives at all levels of government. He helped to elect Augustus Hawkins, Tom Bradley, Ed Roybal, Diane Watson, Maxine Waters, and Karen Bass.
Los Angeles Martinez Jobs Bill support rally
On October 18 1997, Matthew Martinez, State senators Hilda Solis and Diane Watson, City Councilman Richard Alarcon, Miguel Contreras, executive secretary-treasurer of the Los Angeles Federation of Labor and Geraldine Washington, president of the Los Angeles NAACP addressed a Los Angeles "show us the living wage jobs" rally, as part of a national day of action, calling on Congress to pass the Martinez Jobs Bill. there were concurrent rallies in nearly 20 cities, organized by the Communist Party USA dominated National Labor-Community Coalition For Public Works Jobs. Pastor Cecil Murray of the First AME Church in South Los Angeles sponsored the rally.
Dining with Fidel Castro
In February 2002 a delegationof California Democratic Party Congressmen and women including Sam Farr, Diane Watson, Bob Filner and Mike Thompson, together with singer Carole King and representatives of California's rice and wine industries visited Havana as part of the latest effort to change U.S. policy toward Cuba.
Carole King serenaded Fidel Castro with "You've Got a Friend" at a weekend dinner, and U.S. representatives from California shared wines from Napa and Sonoma --
Cuba has been under a U.S. trade embargo since shortly after Castro defeated the CIA-backed invasion at the Bay of Pigs in 1961, and the Bush administration has insisted that U.S.-Cuba relations will not improve until Cuba embraces democracy and human rights.
"That might be the executive branch's view, but that is not the legislative branch's view, and we make policy," said Rep. Diane Watson, "More and more lawmakers are coming here for themselves, seeing for themselves, developing good will."
They said their dinner with Castro at the Palace of the Revolution stretched from 9 p.m. Sunday until about 4:30 a.m. Monday. During the meal, King also performed a new song, "Love Makes the World."
2005 trip to Cuba
Progressive Majority Advisory Committee
Woolsey/Sheinbaum fund raiser
Congresswoman Lynn Woolsey, the first Member of Congress to call on the President to bring our troops home, was be in Los Angeles on Saturday February 4th 2006, for a 'very exciting but critical fundraiser against the most well-known, well-financed challenger she's ever faced". woolsey was facing a primary challenge from a termed-out Assemblyman Joe Nation, a moderate Democrat who has been critical of her stand on the war and on bringing home our troops. He is raising money from people who have given money to Tom DeLay and Bush-Cheney and his legislative district covers 60+% of Congresswoman Woolsey's district. Congresswoman Woolsey is a "champion of equal rights, civil liberties, protecting the environment and fighting for single payer healthcare. Congresswoman Woolsey must be re-elected by the same victory margin she has had in the past to send a message to progressives everywhere that's it IS OK to be courageous, and to not back down on issues that matter."
The Host Committee for this fundraiser includes:
Ben Affleck; Ed Asner; Warren Beatty; Jodie Evans; James Cromwell; Matt Damon; Tom Hayden; Wendy Herzog; Mimi Kennedy; Norman Lear; Stephen Rohde; Susie Shannon; Stanley Sheinbaum & Betty Sheinbaum; Lorraine Sheinberg; Kathy Spillar; Gloria A. Totten; Peg Yorkin; Senator Barbara Boxer; Congressman Joe Baca; Congressman Xavier Becerra; Congresswoman Lois Capps; Congresswoman Jane Harman; Congresswoman Juanita Millender-McDonald; Congresswoman Grace Napolitano; Congresswoman; Lucille Roybal-Allard; Congresswoman Linda Sanchez; Congresswoman Loretta Sanchez; Congressman Adam Schiff; Congresswoman Hilda Solis; Congresswoman Maxine Waters; Congresswoman Diane Watson; Senator Sheila Kuehl and Assemblywoman Karen Bass.
Congressional Progressive Caucus
On November 19 2008 the Congressional Progressive Caucus announcedits elected leadership for the 111th Congress.
Whip Diane Watson
Vice-Chair Liaison to Black Caucus Sheila Jackson-Lee
Vice-Chair Liaison to Women's Caucus Hilda Solis
Vice-Chair Liaison to Asian Pacific American Caucus Mazie Hirono
Vice-Chair Liaison to LGBT Equality Caucus, Dennis Kucinich
Watson has been supported by EMILY's List during her campaigning.
Voted against cutting funding for ACORN
In September 2009, following the lead of their Senate colleagues, the House of Representatives voted overwhelmingly to cut off funds to ACORN. the vote was 345-75. All of the 75 were Democrats, and included Diane Watson. 
Health Care for America Now (HCAN) National Mobilization: NAKASEC’s energizing health policy advocate Joyce Yin helped kick-off a national rally attended by nearly 10,000 people in Washington, D.C. to pressure the Senate and House to provide access to quality, affordable health coverage for all Americans on June 25. Representative Xavier Becerra was one of many who spoke to the importance of the public option in any health reform; he also led HCAN’s health equity townhall later that day at the Capitol Visitor’s Center, where Korean Resource Center’s community health advocate Stella Kim spoke on the importance of immigrant inclusion. That same message was conveyed earlier by Sookyung Oh at the Rhode Island town hall. Together, NAKASEC and KRC met with the offices of Representatives Joe Baca (CA-43) and Doris Matsui (CA-5), and shared key information with Rep. Maxine Waters (CA-35), Diane Watson (CA-33) and Loretta Sanchez (CA-47).
Praising Che and Castro
Supported Lifting the Gaza Blockade
On Jan. 27, 2010, U.S. Representatives Keith Ellison and Jim McDermott led 52 other members of Congress in signing a letter addressed to President Barack Obama, calling for him to use diplomatic pressure to resolve the blockade affecting Gaza. Diane Watson was one of the signatories of the letter.  The entire letter together with a complete list of signatories can be read by clicking here.
The following have worked as staff members for Diane Watson:
- Gregory E. Adams
- Julie Renee Badeaux
- Keiana Barrett
- Pamela Ann Barry
- Ciatta Z. Baysah
- Anthony Bell
- Kenneth D. Bell
- Doris J. Blaker
- Paul A. Brathwaite
- Richard O. II Butcher
- Michelle A. Chambers
- Shawn Chang
- Brenda Chatham
- James B. Clarke
- Michael A. Divirgilio
- Brian C. Dolber
- Rodney P. Emery
- Herbert L. Evans
- Brian S. Fernandez
- Shaun F. Garrison
- Robert Frank II Gay
- J. William Goold
- Lois E. Hill Hale
- Barbara Jenell Hamlett
- Bert D. Hammond
- Stanley Henderson
- Abdul R. Henderson
- Meaghan F. Hohl
- Sheila Mary Holland
- Alice I. Holmes-McKoy
- Jewel James
- Neeka H. Jones
- Cietta C. Kiandoli
- Wesley James Koopman
- Ricky Xuan Le
- Stacey E. Leavandosky
- Joe E. Jr. Leonard
- Esmona L. Lewis
- Ronnie B. Lowenstein
- Alexis Summer Marks
- Nancy G. Matthews
- William Minson
- Sharita Moon
- Eyang A. Nyambi
- Victor W. Pickard
- Bin Hong Plume
- Matthew R. Portanova
- Vrunda P. Rathod
- Sylvia Royston
- Lonnie L. Sanders
- Jillian M. Schlotter
- Edlecia C. Sherrod
- Paullette Starks
- Chanel N. Staten
- Charles B. Stewart
- Douglass Thornell
- Candice Tolliver
- Valerie Van Buren
- Tia Watson
- Dorinda White
- Jeanne Patrice Willoughby
- Don J. Wilson
- Peoples weekly World, May 4, 1991, page 2
- PWW "MAPA endorses pro labor candidates", Rosalio Munoz, May 2 1993 page 2
- [http://www.peoplesworld.org/article/oneil-cannon-longtime-communist-centenarian/ PW Oneil Cannon, longtime Communist, centenarian February 15, 2017 2:09 PM CST BY SPECIAL TO PEOPLESWORLD.ORG]
- PWW, October 11, 1997, page 6
- American Radio Works website: Trips sponsored by the Christopher Reynolds Foundation
- MAJORITY BACKGROUNDER September 2003
- http://www.care2.com/c2c/groups/disc.html?gpp=6486&pst=347342 LA Event Featuring Warren Beatty, Matt Daman for Lynn Woolsey 2/4/06 January 31, 2006 3:45 PM
- [http://www.americanthinker.com/blog/2009/09/the_75_democrats_who_are_prose.html American Thinker, September 18, 2009 The 75 Democrats who are pro-sex slave ACORN defenders By Ethel C. Fenig]
- Policy Update [July 6, 2009]
- The Minnesota Independent: Ellison, McCollum and Oberstar urge Obama to lift Gaza blockade, Jan. 26, 2010 (accessed on March 14, 2011)
- Legistorm: Diane Watson (accessed on Aug. 24, 2010)