Milestones

Ten years ago: Americans honored President Kennedy on the 25th anniversary of his assassination, with 2,500 people turning out in Dallas and visitors stopping by his gravesite at Arlington National Cemetery.

Five years ago: Mexico’s Senate overwhelmingly approved the North American Free Trade Agreement. Striking flight attendants at American Airlines called off their four-day job action after President Clinton helped broker an agreement to submit the dispute to binding arbitration.

One year ago: U.N. weapons experts returned to work in Iraq, searching eight sites for signs the Iraqis might have worked on biological, chemical or other banned arms during a three-week forced halt in inspections.