- Visionary women and men, led by Elizabeth Cary Agassiz, create the Society for the Collegiate Instruction of Women (nicknamed the “Harvard Annex”) for women’s instruction by the Harvard faculty.
- Elizabeth Cary Agassiz becomes president of the "Harvard Annex" and later the first president of Radcliffe College when the Annex is renamed in 1894.
- The Annex is chartered as Radcliffe College by the Commonwealth of Massachusetts. The College is named in honor of Ann Radcliffe, Lady Mowlson, who established Harvard’s first scholarship fund in 1643.
- Le Baron Russell Briggs becomes second president of Radcliffe College.
- Ada Louise Comstock becomes the third president of Radcliffe College.
- Wilbur Kitchener Jordan becomes the fourth president of Radcliffe College.
- During World War II, Harvard and Radcliffe sign an agreement opening Harvard classrooms to women students for the first time.
- The donation of Maud Wood Park's suffrage papers forms the nucleus of the Schlesinger Library, which becomes the foremost library on the history of women in the United States. The library’s opening ceremonies are held on the 23rd anniversary of the signing of the 19th Amendment.
- Harvard’s Graduate School of Arts and Sciences is opened to women, and the Radcliffe Graduate School closes.
- All programs in the Harvard Business School are opened to women, and the Harvard-Radcliffe Program in Business Administration ends.
- The first joint Harvard and Radcliffe commencement is held in Harvard Yard.
- Matina Souretis Horner becomes the sixth president of Radcliffe College.
- Harvard Yard is opened to female residents.
- A joint Harvard-Radcliffe Office of Admissions begins to admit male and female undergraduates.
- Radcliffe and Harvard sign an agreement governing their new educational partnership.
- Linda S. Wilson becomes the seventh president of Radcliffe College.
- Radcliffe College and Harvard University officially merge, thereby establishing the Radcliffe Institute for Advanced Study at Harvard, where individuals pursue advanced learning at its outermost limits and create new knowledge in every field from poetry to biomimetics.
- Mary Maples Dunn serves as acting dean of the Radcliffe Institute.
- Radcliffe Institute fellowships open to male scholars, scientists, and artists.
- Drew Gilpin Faust becomes founding dean of the Radcliffe Institute for Advanced Study. She subsequently served as the 28th president of Harvard University.
- The renovation of the Schlesinger Library at the Radcliffe Institute achieves Leadership in Energy and Environmental Design (LEED) certification, which demonstrates our commitment to innovative green design and sustainability.
- The newly renovated Radcliffe Gymnasium opens and becomes the central intellectual meeting place at the Radcliffe Institute.
- Barbara J. Grosz becomes dean of the Radcliffe Institute for Advanced Study.
- The Radcliffe Institute kicks off its 10th year with a two-day symposium, “Celebrate 10 Years! Crossing Boundaries at the Radcliffe Institute," which highlights a decade of multidisciplinary exchanges and accomplishments.
- Lizabeth Cohen RI ’02 becomes dean of the Radcliffe Institute for Advanced Study.
- The Institute launches The Radcliffe Campaign
- Radcliffe celebrates 15 years of the Radcliffe Institute, founded in 1999, and 135 years of Radcliffe, founded as the Harvard Annex in 1879.
- 50 scholars, scientists, and artists from around the world are selected to join to the Radcliffe Fellowship Program, which has an acceptance rate of just 4 percent, an admission rate more competitive than that of Harvard College.
Radcliffe celebrates the 75th anniversary of the Arthur and Elizabeth Schlesinger Library on the History of Women in America.
- Tomiko Brown-Nagin RI '17 becomes dean of the Radcliffe Institute for Advanced Study.