female world leaders currently in power:
ireland president Mary McAleese
new zealand Prime Minister Helen Clark
finland President Tarja Halonen
Philippines President Gloria Macapagal-Arroyo
mozambique Prime Minister Luisa Diogo
germany Chancellor Angela Merkel
liberia President Ellen Johnson-Sirleaf
chile President Michelle Bachelet
Switzerland President Micheline Calmy-Rey
India President Pratibha Patil
monarchial vice-regal leaders:
UK - Queen Elizabeth II
Denmark - Queen Margrethe II
the netherlands - Queen Beatrix
Canada - Governor General Michealle Jean
St. Luca - Governor General Dame Perlette Louisy
Antigua and Barbuda - Governor General Lady Louise Lake-Tack
Past female leaders:
Cleopatra - queen of Egypt
Queen Elizabeth the 1st - england
Sirivamo Bandaranaike of Sri Lanka became the world's first female elected prime minister in 1960
Isabel Perón of Argentina became the first female president in 1974
Khertek Amyrbitovna head of state of Tannu Tuva
Sühbaataryn Yanjmaa president of mongolia
Pharaoh Meritneith of Egypt - around 2952 bc
Queen Khamerernebti II of Egypt - 2530 bc
Queen Hypsipyle of Lemnos(greece) - before 512 bc