This document provides brief biographies of influential female leaders from around the world. It highlights several "firsts", including the world's first female acting president Sukhbaataryn Yanjmaa of Mongolia in 1953-1954, the first female non-acting president Isabel Peron of Argentina in 1974-1976, and the first female elected president Vidgis Finnbogadottir of Iceland from 1980-1996. It also notes several other notable women who broke barriers as the first female leaders in their countries.