1701 The Collegiate School of Connecticut (later renamed Yale University) is chartered in Old Saybrook, Connecticut.
1842 Scroll and Key secret society of Yale University established.
1844 Influential North American fraternity Delta Kappa Epsilon is founded at Yale University.
1854 Chemistry Professor Benjamin Silliman, of Yale University is the first to fractionate petroleum by distillation.
1901 Yale University celebrates its bicentennial.
1949 Ezra Pound is awarded the first Bollingen Prize in poetry by the Bollingen Foundation and Yale University.
1962 President John F. Kennedy gives the commencement address at Yale University.
1965 Yale University presents the "Vinland map".
1968 Yale University announces it is going co-educational.
1974 The Milgram experiment first described by Yale University psychologist Stanley Milgram in his 1974 book ''Obedience to Authority; An Experimental View.''
1993 A Unabomber bomb injures computer scientist David Gelernter in Yale University.
2001 The libertarian Free State Project is founded at Yale University.