14 фев 1957 г. - Sputnik launched by Soviet Union
Описание:
In 1957, the Soviet Union became the first nation to launch a man-made satellite that could orbit the Earth. This was very alarming for many Americans since this experiment had failed for them many times before.Добавлено на ленту времени:
Дата:
14 фев 1957 г.
Сейчас
~ 68 г назад