1850 – Born in Oswego, New York, on September 15th. American educator.
1869 – She was educated in the public schools of Oswego until age sixteen, finishing at the Normal School.
1871 – Sheldon enrolled at the University of Michigan in a classical course.
1876 – She was invited to teach history at Wellesley College where she remained for two and one half years.
1882 – She returned to Oswego Normal where she wrote her groundbreaking work Studies in General History.
1885 – She married a former student, Earl Barnes, who was eleven years her junior on August 6th.
1891 – Was appointed head of the department of education at Stanford University.
– She co-wrote ‘Studies in American History’.
1892 – Mary joined the Stanford history department in March as assistant professor.
1897 – Both Mary and Earl Barnes resigned their posts at Stanford to travel and write in Europe.
1898 – Died of heart disease on August 27th in London.