1898 – Sadie Alexander was born in Philadelphia on the 2nd of January.
1916 – Attended and graduated from M Street High School in Washington.
1918 – Attended the School of Education at the University of Pennsylvania.
1921 – Became the first black woman in the U.S. to obtain Doctor of Philosophy.
1923 – She returned to Philadelphia and married to Raymond Pace Alexander on the 29th of November.
1924 – She entered the University of Pennsylvania Law School.
1927 – Alexander became the first black woman who graduated from the institution and admitted to the Pennsylvania Bar.
1928-1930 – She was appointed as Assistant City Solicitor for the City of Philadelphia.
1934-1938 – She was appointed for the second term as Assistant City Solicitor for the City of Philadelphia.
1947 – She served as President Harry Truman’s Committee on Human Rights.
1948 – She was named Woman of the Year in "Negro Heroes" a comic book published by the National Urban League in conjunction with the Delta Sigma Theta Sorority.
1949 – Chaired a special committee of the Fellowship Commission set up to ensure that a new city charter would include provisions guaranteeing equal treatment and equal opportunity in the city’s administration.
1952-1968 – She served on the Commission on Human Relations of the City of Philadelphia.
1959 – She opened private law practice after her husband was appointed judge in the Philadelphia Court of Common Pleas, the first African-American to serve in this position.
1974 – She was awarded a fifth degree at the University of Pennsylvania, an honorary doctor of laws degree. This was the first of seven honorary degrees by colleges and universities.
1976 – She retired from the active practice of law but joined the firm of Atkinson, Myers and Archie of counsel.
1978 – She was appointed chairperson of the White House Conference on Aging by Jimmy Carter.
1989 – She died on the 1st of November.