Milestones

Ten years ago: From Japan to Sweden, anti-nuclear protesters demonstrated on the first anniversary of the Chernobyl disaster, with some of the biggest turnouts reported in Europe.

Five years ago: Finance officials from the Group of Seven nations meeting in Washington, D.C., endorsed the broad outlines of an economic assistance package for the former Soviet Union. Worshipers celebrated the first Russian Orthodox Easter in Moscow in 74 years.

One year ago: After 16 days of bloodshed, Israel and Hezbollah guerrillas pledged to end the worst fighting in the Mideast in three years, agreeing to a U.S.-brokered truce.