The women making a mark on British politics today:
Longest continuously-serving female politician in Parliament
Baroness Masham of Ilton has been a member of the House of Lords since her appointment in 1970.
She was injured in a horse riding accident in 1959 and has since campaigned on issues relating to disability.
Her particular interests and specialities within the House of Lords are health-related.
Longest-serving female MP currently in the House of Commons
Elected as Labour MP for Peckham in 1982, Harriet Harman is now the longest continuously-serving female MP in the House of Commons.
She has held a number of ministerial positions, been a cabinet member and served as Labour Party leader for five months after the 2010 general election.
Currently she holds the post of Deputy Leader and Shadow Secretary of State for International Development.
Secretary of State for the Home Department and Minister for Women and Equalities
Elected as Conservative MP for Maidenhead in 1997, Theresa May is currently a member of the cabinet.
She's previously held a number of shadow cabinet positions including Shadow Leader of the House of Commons.
Parliamentary Under Secretary of State (Minister for Equalities)
Elected as Liberal Democrat MP for Hornsey and Wood Green in 2005, Lynne Featherstone is a member of the coalition government cabinet.
Leader of the Green Party
Elected as MP for Brighton Pavilion in 2010, Caroline Lucas is the only Green Party MP currently elected to the House of Commons.
She is also the only female party leader in the UK.
Youngest female member of the House of Lords
Baroness Berridge is the youngest female member of the House of Lords at age 38.
Prior to becoming involved in politics she worked as a barrister and currently is involved with charity work in prisons.
She was introduced as a member of the House of Lords as Baroness of the Vale of Catmose in January 2011.
Youngest MP in the House of Commons
Pamela Nash was elected as Labour MP for Airdrie and Shotts in the 2010 general election.
Aged 25 at the time of the election, she is currently the youngest MP and holds the unofficial title of 'Baby of the House'.