* 6, Friday--President Bok goes on national television announcing that Harvard will divest of all its holdings in corporations doing business in South Africa. New York City, which still has not divested although it promised to more than a year and a half earlier, decides to follow Bok's example.

* 16, Monday--President Reagan announces that he will order all U.S. companies to sell their South African subsidiaries within 15 days.

* 29, Sunday--The revolution begins in Pretoria.

JULY

* 11, Friday--The new Black majority-ruled South African government (renamed "Azania") appoints its first Prime Minister, Nelson Mandela.

* 26, Saturday--Fifteen Harvard Summer School students are expelled after Marshall R. Pihl '55, summer school director, discovers marijuana plants growing in the annual class-project archaeological dig outside Weld Hall. The course's head, Visiting Professor of Botanical anthropology Lawrence McKinney, taking a summer break from running his THC firm, says he is "shocked and disgusted... Really. I am."

AUGUST

* 14, Thursday--Three animal-rights activists break into the Harvard Lampoon's Castle, holding Lampy President Daniel J. Greaney '87 hostage for five days to protest what they say is a planned Lampoon prank to dynamite six sheep the following month during a speech by the Prince of Wales at Harvard's 350th anniversary celebration.

* 19, Tuesday--A team of Harvard Police snipers wounds the three terrorists, but accidentally blows the beak off the Ibis and puts a dozen holes in the famed President's Chair. An apparently brainwashed Greaney, however, tells his rescuers that the humor society will be evicting the Starr Bookstore to make way for a free veterinary clinic.

* 23, Saturday--The Crimson buys the damaged Ibis for $3 at a Lampy yard sale.

SEPTEMBER

* 3, Wednesday--Prince Charles and Diana, Princess of Wales arrive in Cambridge where Charles will speak at Harvard's 350th anniversary festivities.

* 4, Thursday--Diana unexpectedly and inconveniently goes into labor during her husband's speech at Harvard's convocation. The Princess of Wales is rushed to Stillman Infirmary where a team of doctors removes her appendix and puts her leg in a cast before realizing that Di has delivered a baby girl.

* 6, Saturday--Engelbert Humperdinck and Barry Manilow headline the stadium concert highlighting the festivities.

* 8, Monday--Reagan has bagged the invitation to speak at the 350th because of his Labor Day summit with Mikhail. But Roger Fisher uses his "getting to yes" strategy to persuade the twosome to postpone their session one week and use the sparkling facilities of the K-School.