April 25, 1674 — The Harvard Corporation orders that “freshmen of the Colledg shall not at any time be compelled by any Senior students to goe on errands or doe any servile work for them. And if any shall præsume to send them in times injoyned for study both the sender and the goer shall be punished.”
April 19, 1775 — Six Harvard students march off with the Minutemen.
April 17, 1928 — In Emerson Hall, Pierre Roland-Marcel, Director of the National Library of France (Bibliothèque Nationale), gives an illustrated public talk in French on the library he runs. The event is sponsored by the University Library and the Romance Languages & Literatures Department.
— From the Harvard Historical Calendar, a database compiled by Marvin Hightower