ocr: The sun continues to set on Britain's once-mighty empire as rime vlinister Margaret Thatcher signs an agreement to transter Hong Kong to China, ettective in 1997, The 1984 Olympic Games in Los Angeles suffer when the Soviet Union and several East Bloc countries poycott the event, citing security concerns. Soul singer varvin Gaye is killed in a dispute with his father, Choose a picture below to watch the video for that CNN news story.