In June 2013, UNOOSA, a United Nations agency, organised a special event to mark fifty years of a famous achivement (which took place on June 16, 1963). There were five special guests, four of them being: Roberta Bondar of Canada, Janet Kavandi from the USA, Chiaki Mukai of Japan, and Liu Yang of China.
The fifth was the reason the event was happening: it was her achievement that they were commemmorating. Who, and what stellar achievement?
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Valentina Tereshkova, the first woman in space.
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