1987: The World Health Organization reports that 8% of all pregnant Zairean women and 17% of Zairean blood donors are AIDS infected.

Today: A cumulative total of 12.1 million African children have lost either their mother or both parents to AIDS, according to UNAIDS (a United Nations' organization), and thus are regarded as "AIDS orphans." A recent report by the U.S. Agency for International Development (USAID) puts the number of such orphans currently living in 26 African countries at 6.5 million, and projects that by 2010, there will be 15 million African AIDS orphans, including 2.7 million in Nigeria, 2.5 million in Ethiopia, and 1.8 million in South Africa.

1987: Prince William Arthur Philip Louis, first son of Prince Charles of Wales and Princess Diana, enrolls in Wetherby School in London, and is a pupil there until July 1990.

Today: Prince William has been accepted by the University of St. Andrews in Scotland, where he will...