Milestones

Ten years ago: The Los Angeles Lakers won the National Basketball Association title with a 106-93 home-court victory over the defending champion Boston Celtics.

Five years ago: The Earth Summit concluded in Rio de Janeiro, Brazil. The Chicago Bulls won the NBA championship, beating the Portland Trail Blazers in Game Six, 97-93. Mona Van Duyn became the first woman to be named the nation’s poet laureate by the Library of Congress.

One year ago: The FBI disclosed the White House had obtained bureau background reports on at least 408 people without justification. World copper markets were thrown into turmoil following disclosure by Sumitomo Corp. that a rogue trader had hidden multibillion-dollar losses.