April 1967 - Peasant uprising begins in western district of Samlaut over rice tax. March 1969 - Secret U.S. bombing of Vietnamese communist bases in Cambodia begins. Khmer Rouge seize Phnom Penh and begin reign of terror in which an estimated 1.7 million die. 1991 - Four factions and their backers sign peace treaty in Paris. At least 16 people killed when four grenades are thrown at a rally led by government critic Sam Rainsy.
Observers say vote sufficiently fair but opposition rejects result, calls protests.
National Assembly passes a law to set up an upper house of parliament.