Highlights of this day in history: Abraham Lincoln says America cannot remain divided over slavery; Valentina Tereshkova becomes the first woman in space; Deadly Soweto riots erupt in South Africa; Ballet dancer Rudolf Nureyev defects. (June 16)
Highlights of this day in history: Abraham Lincoln says America cannot remain divided over slavery; Valentina Tereshkova becomes the first woman in space; Deadly Soweto riots erupt in South Africa; Ballet dancer Rudolf Nureyev defects. (June 16)