Ответ:
- 1957: The first artificial satellite Sputnik-1 was sent into space. Later the same year, a dog named Laika became the first animal to travel into space.
- 1960: The world-famous dogs, Belka and Strelka, made another space trip and came back safe and sound.
- 1961: Yuri Gagarin became the first man to travel into space.
- 1963: Valentina Tereshkova became the first woman to travel into space.
