In this week’s installment of our ongoing series bringing you the history of Princeton University and its faculty, students, and alumni, Swedish royalty visit campus, mysterious postcards from Boston arrive, and more.

April 11, 1935—Compulsory chapel attendance is abolished for juniors and seniors; it will be abolished for sophomores in 1960 and freshmen in 1964.

April 12, 1997—Chelsea Clinton’s arrival on campus sparks speculation that she will attend Princeton University. Clinton will ultimately pursue her education at Stanford.

April 14, 1988—King Carl XVI Gustaf and Queen Sylvia of Sweden visit Princeton University as part of a 17-day tour of the United States commemorating the 350th anniversary of the founding of New Sweden. It is their only visit to an American college campus.

April 15, 1950—Members of the sophomore class (Class of 1952) are receiving bizarre postcards in the mail for a second consecutive day, all postmarked from Boston and signed “scio” (Latin for “I know”). The cards have a line or paragraph clipped from a newspaper or magazine pasted on them, many with sexual references. Harvard undergraduates claim no connection with the cards.

For last week’s installment in this series, click here.

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