1973: Yvonne Brathwaite Burke became the first woman to give birth while serving in Congress...
1976: Mary Rose Oakar became the first Arab American woman elected to Congress.
1999: Senator Barbara Mikulski became the first woman to serve as Democratic Conference secretary.
1999: Senator Olympia Snowe (R-ME) became the first woman to serve as secretary of the Senate Republican Conference.
2017: Elizabeth Warren became the first woman to serve as vice chair of the Senate Democratic Conference.
1967: Senator Margaret Chase Smith became the first woman to serve as chair of the Senate Republican Conference.
1987: Rep. Mary Rose Oakar (D-OH) became the first woman to serve as vice chair of the House Democratic Caucus.
A Seat at the Table: Congresswomen's Perspectives on Why Their Presence Matters